Long before the modern springboard and platform, people dived off cliffs and bridges into the water below, invigorated by the adrenaline rush as they descended through the air and plunged into the water below.

• 在现代跳板和跳台发明之前的很长一段时间里，人们都是从悬崖或桥上跳入水中，在从空中下降直至入水的过程中，迅速分泌的肾上腺素使得人们产生了兴奋和快乐的感觉。