Star trails captured using an exposure time of two hours to record the rotation of the earth on its Polar Axis, stars are rotating around the Pole Star (Polaris), the Sahara Desert near Merzouga, Morocco, North Africa, Africa

Aerial of the Ilulissat Icefjord, UNESCO World Heritage Site, Western Greenland, Denmark, Polar Regions

Sally lightfoot crab (Grapsus grapsus) in the littoral of the Galapagos Island Archipelago, UNESCO World Heritage Site, Ecuador, South America

Road blocked by mudslides in western province, Rwanda, East Africa, Africa

The massive 1991 Randa landslide below Zermatt, Switzerland, Europe

Caucasian women walking dog on dirt path

Caucasian racers on motorcycle with side car spraying dirt

Cowgirl riding horse near barrel in rodeo

Caucasian racer on motorcycle spraying dirt

Mari boy walking on dirt path

Caucasian cowboy spinning lasso

Caucasian man descending dirt trail on bicycle

Caucasian racers on motorcycles with side cars spraying dirt

Caucasian girl riding bicycle on forest path

Caucasian girl riding bicycle on hill

Caucasian girl riding bicycle on forest path

Caucasian boy running on dirt path

Attractive young brazilian woman plays the guitar at Greenheart?s La Casita Verde, Ibiza

Big Ben and red double-decker bus, London, England, UK

Big Ben and red double-decker bus, London, England, UK

Dancers and acrobats at the Arirang Festival, the North Korean Grand Mass Gymnastics and Artistic Performance, Pyongyang, North Korea, Asia

Dancers and acrobats at the Arirang Festival, the North Korean Grand Mass Gymnastics and Artistic Performance, Pyongyang, North Korea, Asia

Dancers and acrobats at the Arirang Festival, the North Korean Grand Mass Gymnastics and Artistic Performance, Pyongyang, North Korea, Asia

Dancers and acrobats at the Arirang Festival, the North Korean Grand Mass Gymnastics and Artistic Performance, Pyongyang, North Korea, Asia

Dancers and acrobats at the Arirang Festival, the North Korean Grand Mass Gymnastics and Artistic Performance, Pyongyang, North Korea, Asia

Close-up portrait of a lilac-breasted roller (Coracias caudatus) standing on a termite mound tosses insect on mound, Serengeti National Park, Tanzania, Africa

Two blue wildebeest (Connochaetes taurinus) jump off sandy cliff while others stand watching on the edge, Serengeti National Park, Tanzania, Africa

Two blue wildebeest (Connochaetes taurinus) go down a steep, dirt riverbank gulley while others stand watching on the edge, Serengeti National Park, Tanzania, Africa

African bush elephant (Loxodonta africana) standing on the savannah throwing dust over itself at Segera, Segera, Laikipia, Kenya

Hawaii, Kauai, girl on a valley zipline tour over a stream.

Elephant walking in sand, Kenya, Africa