研究人员发现了一座规模庞大的古代玛雅城市 Researchers in Mexico have discovered a large, lost Mayan city.

农民力求拯救墨西哥城的岛屿花园 Several large lakes once surrounded Mexico City.

泰国城市着手解决猴子问题 People will no longer have to fight with monkeys in the historic Thai city of Lopburi.

费城：一座以历史闻名的城市 Philadelphia, also sometimes called Philly, is a big city on the Delaware River in the northeastern state of Pennsylvania.

日本丰田建造了一座类似城市的中心来测试机器人和人工智能 Japanese automaker Toyota says it is building a research center in a city-like setting to test robotics, artificial intelligence (AI) and autonomous vehicle technologies.