Derinkuyu is situated under the historical region of Cappadocia ... Derinkuyu was soon recognized as an architectural marvel. The city features an extensive network of tunnels, chambers, and ...

A mind-boggling mega city where you 'never know which floor you're on' has only just entered the tourist spotlight. With trains that whizz through apartment blocks, mini 'towns' located on top of ...

That makes it one of the fastest growing cities on the continent and, by many definitions, a mega-city. The city was founded in the late 19th century by Emperor Menelik II and became Ethiopia’s ...