January 31, 2016

A car tows a snowboarder along the frozen surface of the Yenisei River in Taiga district, with the air temperature at about - 25° C (-13° F), outside Krasnoyarsk, Siberia, Russia.

1 A car tows a snowboarder along the frozen surface of the Yenisei River in Taiga district, with the air temperature at about - 25° C (-13° F), outside Krasnoyarsk, Siberia, Russia.

People carry their belongings at the main railway station in Guangzhou, Guangdong province, China, as travel for the annual Chinese Lunar New Year and Spring Festival holidays continues.

2 People carry their belongings at the main railway station in Guangzhou, Guangdong province, China, as travel for the annual Chinese Lunar New Year and Spring Festival holidays continues.

This self-portrait of NASA's Curiosity Mars rover shows the vehicle at "Namib Dune," where the rover's activities included scuffing into the dune with a wheel and scooping samples of sand for laboratory analysis.

3 This self-portrait of NASA's Curiosity Mars rover shows the vehicle at "Namib Dune," where the rover's activities included scuffing into the dune with a wheel and scooping samples of sand for laboratory analysis.