Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...

Modern life makes us tired, right? But research from societies in Africa and South America suggests people in the ancient ...

他们把约翰•史密斯的头按在波瓦坦脚前的一块石头上。接着奥皮坎卡努拿起一根大棒，走向那块石头。波卡洪塔斯望着父亲。父亲微微点了一下头，但没有看她。此时此刻奥皮坎卡努已经站在石头旁。约翰•史密斯闭上眼睛，等待死亡的来临。

Steve and a team of world class kayakers head to the Kamchatka peninsula in the Russian far east, to take on the first descent of the Kronotsky River – through white-water so extreme that it has never ...