In Kenai Fjords National Park, humpback whales migrate over 4,300 kilometers every spring to feed on krill

在基奈峡湾国家公园，座头鲸每年春天洄游4300多公里到这里。

About 3,500 kilometers south of Kenai Fjords National Park, five million years of running water, combined with rock uplift, have eroded a deep ravine into the American state of Arizona.

在基奈峡湾国家公园南部约3500公里的地方，五百万年的流水冲刷加上岩石抬升，侵蚀形成美国亚利桑那州的大峡谷。