In all 30,000 slaves fled to Canada, many with the help of the underground railroad - a secret network of free blacks and ...

Explore the mesmerizing underground cities of Cappadocia, where history lies beneath the surface. 🏰 These ancient wonders ...

Wartime air raid shelters in China are being transformed into 'underground cities'. Since 2018, the city of Chongqing has been converting these spaces into unique cultural sites in an effort to ...

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The British Empire, of which Canada was a part, abolished slavery throughout its territories in 1833. Underground Railroad activity flourished in cities such as Rochester and Buffalo which were ...