In the high Andes of Ecuador the intense power of the equatorial sun beats down through thin air onto a grassland world fringed by glaciers and cloud forest.

• 在厄瓜多尔的安第斯高地，强烈的阳光透过稀薄的空气炙烤着草原，周围点缀着冰河和云雾缭绕的森林。