Tundra in autumn in Denali National Park, Alaska

Partially snowy Bryce Canyon, Utah, USA

Grand Prismatic Spring on a sunny day

Nissersø, Norway

Coco's Island - Costa Rica

A farmer walks past a terrace of codonopsis pilosula, a traditional Chinese medicine also known as dang shen, in Min county, Gansu province

Reed flute lake in Guilin, China.

Crystal Lakes, WA

Tosua Ocean Trench, Lotofaga, Samoa

Skógafoss Iceland.

Lake Anna Quarter,

Longhushan Mountains in China

Crimean night