translation.en: And these cameras are positioned on rocks on the sides of the glaciers, and they look in on the glacier from permanent, bedrock positions, and they watch the evolution of the landscape.
translation.zh: 这些相机安放在冰川边的岩石上， 并且它们从稳定的岩床位置观望冰川， 同时它们能看到地貌的不断演变。