And examine giant footprints at the dinosaur exhibition .

在恐龙展览厅探寻巨大恐龙脚印。

In some spots , decades-old astronaut footprints are still visible .

在一些地点，依然可见几十年前老宇航员的脚印。

The other experiment had a series of green footprints leading to rubbish bins .

另一个试验设计了一串指向垃圾箱的绿色脚印。

Footprints lead from the wagon toward the camera , revealing the photographer 's path .

马车和照相机之间的长串脚印暴露了摄影师的行走路线。

Raised footprints in the antarctic snow .

南极冰雪中的脚印。