Photos of the Week: Lava Field, London Fox, Leatherback Turtle

A deadly train crash in Greece, the northern lights above Stockholm, an uphill race in Austria, fighting and survival in Ukraine, a traditional sled race in Slovakia, and much more

A deadly train crash in Greece, the northern lights above Stockholm, donations for quake-affected children in Turkey, an uphill race in Austria, fighting and survival in Ukraine, an air show in Australia, a traditional sled race in Slovakia, and much more