[Iceland]Skaftafell National Park

Skaftafell2

[Namibia]Namib Desert

Namib Desert4

[Mauritania]Eye of the Sahara(Richat Structure)

Eye of the Sahara2

[China]Oxbow Lake

oxbow lake1

[Italy]Grotta Azzurra

Grotta Azzurra1

[USA]Yellow stone National Park

Yellowstone1

[China]Yunnan Rice Terraces

rice terraces1