重建后的琥珀宫墙分为两个部分，镜状壁柱将镶板、佛罗伦萨马赛克和飞檐顶部的精致琥珀花冠和群簇分离开来。摄影：Sergey Bogomyako/Shutterstock.com琥珀宫坐落在俄罗斯圣彼得堡附近的凯萨琳宫，每年吸引约 700 ...

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.