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Reed Flute Cave is a landmark and tourist attraction in Guilin, Guangxi, China. The reed flute cave is over 180 million years old. It was discovered in the 1940s by a group of refugees...

World War II, or the Second World War (often abbreviated as WWII or WW2), was a global military conflict lasting from 1939 to 1945 which involved most of the world's nations, including all of the great powers, organised into two opposing military alliances: the Allies and the Axis. It was the most widespread war in history, with more than 100 million military personnel mobilised...

Eyjafjallajökull—translated as "Eyja-fjalla glacier" or "island-fells glacier"—is one of the smaller glaciers of Iceland, situated to the north of Skógar and to the west of Mýrdalsjökull. The icecap of the glacier covers a volcano with a summit elevation of 1,666 metres (5,466 ft). The volcano has erupted relatively frequently since the last glacial period. Around December 2009, seismic activity was detected in the volcano area, with thousands of small earthquakes...