{
  "name": "World Capitals",
  "front_language": "English",
  "back_language": "English",
  "cards": [
    { "front": "France", "back": "Paris", "level": "Subject", "tags": ["geography", "world-capitals"], "example_front": "The Eiffel Tower in Paris was originally built as a temporary structure for the 1889 World's Fair." },
    { "front": "Germany", "back": "Berlin", "level": "Subject", "tags": ["geography", "world-capitals"], "example_front": "Berlin has more bridges than Venice — over 900 of them." },
    { "front": "Italy", "back": "Rome", "level": "Subject", "tags": ["geography", "world-capitals"], "example_front": "Rome is often called the 'Eternal City' and was founded, according to legend, in 753 BC." },
    { "front": "Spain", "back": "Madrid", "level": "Subject", "tags": ["geography", "world-capitals"], "example_front": "Madrid is the highest capital city in Europe, sitting over 650 meters above sea level." },
    { "front": "United Kingdom", "back": "London", "level": "Subject", "tags": ["geography", "world-capitals"], "example_front": "London's Underground, opened in 1863, is the oldest subway system in the world." },
    { "front": "Portugal", "back": "Lisbon", "level": "Subject", "tags": ["geography", "world-capitals"], "example_front": "Lisbon is one of the oldest cities in Western Europe, older than Rome, London, and Paris." },
    { "front": "Netherlands", "back": "Amsterdam", "level": "Subject", "tags": ["geography", "world-capitals"], "example_front": "Amsterdam has more canals than Venice, with over 100 kilometers of waterways." },
    { "front": "Belgium", "back": "Brussels", "level": "Subject", "tags": ["geography", "world-capitals"], "example_front": "Brussels is home to the headquarters of both the European Union and NATO." },
    { "front": "Switzerland", "back": "Bern", "level": "Subject", "tags": ["geography", "world-capitals"], "example_front": "Bern's old town is a UNESCO World Heritage Site, with medieval arcades stretching for kilometers." },
    { "front": "Austria", "back": "Vienna", "level": "Subject", "tags": ["geography", "world-capitals"], "example_front": "Vienna has been ranked one of the world's most livable cities for over a decade." },
    { "front": "Greece", "back": "Athens", "level": "Subject", "tags": ["geography", "world-capitals"], "example_front": "Athens is named after Athena, the Greek goddess of wisdom, and has been inhabited for over 3,000 years." },
    { "front": "Sweden", "back": "Stockholm", "level": "Subject", "tags": ["geography", "world-capitals"], "example_front": "Stockholm is built across 14 islands connected by more than 50 bridges." },
    { "front": "Norway", "back": "Oslo", "level": "Subject", "tags": ["geography", "world-capitals"], "example_front": "Oslo was originally named Christiania and only reverted to its old name in 1925." },
    { "front": "Denmark", "back": "Copenhagen", "level": "Subject", "tags": ["geography", "world-capitals"], "example_front": "Copenhagen is one of the most bike-friendly cities in the world, with more bikes than cars." },
    { "front": "Finland", "back": "Helsinki", "level": "Subject", "tags": ["geography", "world-capitals"], "example_front": "Helsinki is known as the 'Daughter of the Baltic' for its location on a peninsula surrounded by the sea." },
    { "front": "Poland", "back": "Warsaw", "level": "Subject", "tags": ["geography", "world-capitals"], "example_front": "Warsaw's Old Town was almost completely destroyed in World War II and rebuilt brick by brick using old paintings as a guide." },
    { "front": "Russia", "back": "Moscow", "level": "Subject", "tags": ["geography", "world-capitals"], "example_front": "Moscow's Red Square gets its name from the Russian word 'krasnaya', which can mean both 'red' and 'beautiful'." },
    { "front": "Ireland", "back": "Dublin", "level": "Subject", "tags": ["geography", "world-capitals"], "example_front": "Dublin's name comes from the Irish 'Dubh Linn', meaning 'black pool'." },
    { "front": "Iceland", "back": "Reykjavik", "level": "Subject", "tags": ["geography", "world-capitals"], "example_front": "Reykjavik is the northernmost capital of a sovereign country in the world." },
    { "front": "Turkey", "back": "Ankara", "level": "Subject", "tags": ["geography", "world-capitals"], "example_front": "Ankara became Turkey's capital in 1923, replacing Istanbul, which had been the capital for nearly 500 years." },
    { "front": "Egypt", "back": "Cairo", "level": "Subject", "tags": ["geography", "world-capitals"], "example_front": "Cairo is the largest city in Africa and sits just a few kilometers from the Great Pyramids of Giza." },
    { "front": "Morocco", "back": "Rabat", "level": "Subject", "tags": ["geography", "world-capitals"], "example_front": "Rabat's Hassan Tower, an unfinished 12th-century minaret, was intended to be the tallest in the world." },
    { "front": "South Africa", "back": "Pretoria", "level": "Subject", "tags": ["geography", "world-capitals"], "example_front": "Pretoria is one of South Africa's three capital cities, serving as the administrative capital." },
    { "front": "Kenya", "back": "Nairobi", "level": "Subject", "tags": ["geography", "world-capitals"], "example_front": "Nairobi is one of the only capital cities in the world with a national park inside its city limits." },
    { "front": "Nigeria", "back": "Abuja", "level": "Subject", "tags": ["geography", "world-capitals"], "example_front": "Abuja was purpose-built and became Nigeria's capital in 1991, replacing Lagos." },
    { "front": "China", "back": "Beijing", "level": "Subject", "tags": ["geography", "world-capitals"], "example_front": "Beijing's Forbidden City has 9,999 rooms, according to legend — just shy of the mythical 10,000 used by gods." },
    { "front": "Japan", "back": "Tokyo", "level": "Subject", "tags": ["geography", "world-capitals"], "example_front": "Tokyo is the most populous metropolitan area in the world, with over 37 million people." },
    { "front": "South Korea", "back": "Seoul", "level": "Subject", "tags": ["geography", "world-capitals"], "example_front": "Seoul has been the capital of Korea for over 600 years, since the founding of the Joseon Dynasty." },
    { "front": "India", "back": "New Delhi", "level": "Subject", "tags": ["geography", "world-capitals"], "example_front": "New Delhi was built in the early 20th century right next to the much older city of Old Delhi." },
    { "front": "Thailand", "back": "Bangkok", "level": "Subject", "tags": ["geography", "world-capitals"], "example_front": "Bangkok's full ceremonial name is one of the longest place names in the world, with 168 letters." },
    { "front": "Vietnam", "back": "Hanoi", "level": "Subject", "tags": ["geography", "world-capitals"], "example_front": "Hanoi has been continuously inhabited for over 1,000 years and was once called Thang Long, or 'Ascending Dragon'." },
    { "front": "Indonesia", "back": "Jakarta", "level": "Subject", "tags": ["geography", "world-capitals"], "example_front": "Jakarta is sinking faster than almost any other major city, prompting Indonesia to build a new capital, Nusantara." },
    { "front": "Philippines", "back": "Manila", "level": "Subject", "tags": ["geography", "world-capitals"], "example_front": "Manila is one of the most densely populated cities in the world." },
    { "front": "Australia", "back": "Canberra", "level": "Subject", "tags": ["geography", "world-capitals"], "example_front": "Canberra was purpose-built as a compromise capital between rivals Sydney and Melbourne." },
    { "front": "New Zealand", "back": "Wellington", "level": "Subject", "tags": ["geography", "world-capitals"], "example_front": "Wellington is the southernmost capital city of a sovereign state in the world." },
    { "front": "Canada", "back": "Ottawa", "level": "Subject", "tags": ["geography", "world-capitals"], "example_front": "Ottawa was chosen as Canada's capital in 1857 partly because of its location on the border between English and French Canada." },
    { "front": "United States", "back": "Washington, D.C.", "level": "Subject", "tags": ["geography", "world-capitals"], "example_front": "Washington, D.C. is not part of any US state — it's a federal district." },
    { "front": "Mexico", "back": "Mexico City", "level": "Subject", "tags": ["geography", "world-capitals"], "example_front": "Mexico City was built on the site of Tenochtitlan, the ancient Aztec capital, much of which was on islands in a lake." },
    { "front": "Brazil", "back": "Brasília", "level": "Subject", "tags": ["geography", "world-capitals"], "example_front": "Brasília was built from scratch in just 41 months and became the capital in 1960." },
    { "front": "Argentina", "back": "Buenos Aires", "level": "Subject", "tags": ["geography", "world-capitals"], "example_front": "Buenos Aires is nicknamed the 'Paris of South America' for its European-style architecture." },
    { "front": "Chile", "back": "Santiago", "level": "Subject", "tags": ["geography", "world-capitals"], "example_front": "Santiago sits in a valley surrounded by the Andes Mountains, which are often visible from the city center." },
    { "front": "Peru", "back": "Lima", "level": "Subject", "tags": ["geography", "world-capitals"], "example_front": "Lima was founded in 1535 and was once the capital of Spanish colonial South America." },
    { "front": "Colombia", "back": "Bogotá", "level": "Subject", "tags": ["geography", "world-capitals"], "example_front": "Bogotá sits at an elevation of about 2,640 meters, making it one of the highest capital cities in the world." },
    { "front": "Cuba", "back": "Havana", "level": "Subject", "tags": ["geography", "world-capitals"], "example_front": "Havana's old town is a UNESCO World Heritage Site known for its colorful colonial buildings and classic cars." },
    { "front": "Saudi Arabia", "back": "Riyadh", "level": "Subject", "tags": ["geography", "world-capitals"], "example_front": "Riyadh is one of the fastest-growing cities in the world, located in the middle of the Arabian Desert." },
    { "front": "United Arab Emirates", "back": "Abu Dhabi", "level": "Subject", "tags": ["geography", "world-capitals"], "example_front": "Abu Dhabi, not Dubai, is the capital of the United Arab Emirates." },
    { "front": "Israel", "back": "Jerusalem", "level": "Subject", "tags": ["geography", "world-capitals"], "example_front": "Jerusalem is considered a holy city in Judaism, Christianity, and Islam." },
    { "front": "Ukraine", "back": "Kyiv", "level": "Subject", "tags": ["geography", "world-capitals"], "example_front": "Kyiv is one of the oldest cities in Eastern Europe, with a history stretching back over 1,500 years." },
    { "front": "Czech Republic", "back": "Prague", "level": "Subject", "tags": ["geography", "world-capitals"], "example_front": "Prague's Astronomical Clock, installed in 1410, is still working and is one of the oldest of its kind." },
    { "front": "Hungary", "back": "Budapest", "level": "Subject", "tags": ["geography", "world-capitals"], "example_front": "Budapest was formed in 1873 by merging three cities: Buda, Óbuda, and Pest." }
  ]
}