这里有著名的天文钟（Astronomical Clock），每小时整点报时都会吸引众多游客驻足观看；还有提恩教堂（Church of Our Lady before Týn），其双尖顶设计 ...

Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient world slept only 6.5 hours a night.