Geography

The volcanic activity of Mount Pinatubo has begun some 1,1 million years ago.

The primary natural resources of Asia are aluminum, tin, coal, iron and gold.

The longest arch bridge in the world, located on the Yangtze, is the Chaotianmen Bridge.

The Gobi Desert is over 1,680 km (1,045 mi) long in the southwest-northeast direction and over 800 km (500 mi) in the north-south direction.

In 1982, the area surrounding the volcano was declared as a National Volcanic Monument.

The maximum length of the lake is 580 km and the maximum width is 75 km.

The sound generated by the 1883 explosion is the loudest ever recorded.

There are important deposits of raw materials there.

Because of the explosion, a lot of ash escaped from the crater. Ash clouds obstructed sunlight to the entire Mediterranean region, about 300,000 km² (115 830.648 sq mi).

Coloradans have the lowest obesity rate of all US states.