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One of the longest mountain range in Central Asia , the Tian Shan plenty chain , forms a jolty perimeter between Kazakhstan , Kyrgyzstan and westernChina .

The Tian Shan , check here in a picture adopt by therecently defunct Envisat satellite , are about 1,740 miles ( 2,800 kilometers ) long .

Our amazing planet.

The Tian Shan Mountains as seen by the European Space Agency’s Envisat satellite in September 2011.

At altitudes over about 6,500 human foot ( 2,000 meters ) , spruce trees grow on the mint slopes , while the lower slopes have natural forests of wild walnut tree and apples .

The large , dark lake that break the mountain range in easterly Kyrgyzstan ( in the lower - entrust corner of the image ) is the second largest salt lake after the Caspian Sea . The lake is called Issyk Kul – ' hot lake ' in the Kyrgyz language — because it never freezes over . It covers an area of over 2,300 square miles ( 6,000 square km ) and get hold of over 1,900 foot ( 600 m ) abstruse .

The country was a way station along the ancientSilk Road , a trading routethat ran from the Far East to Europe . Some historiographer think it was the start point of the Black Death in the 14th 100 .

The Tian Shan Mountains as seen by the European Space Agency�s Envisat satellite in September 2011.

The Tian Shan Mountains as seen by the European Space Agency’s Envisat satellite in September 2011.

View of China�s Rainbow Mountains with differently colored bands of sandstone.

Satellite images of the Aral Sea in 2000, 2007 and 2014.

A satellite image of the folded rocks in northwestern Iran.

Aerial view of Mount Roraima surrounded by clouds.

An aerial photo showing a dozen large, star-shaped sand dunes in the Sahara desert

A satellite photo of a giant iceberg next to an island with hundreds of smaller icebergs surrounding the pair

A satellite image of a large hurricane over the Southeastern United States

A photo of Lake Chala

A blue house surrounded by flood water in North Beach, Maryland.

a large ocean wave

Sunrise above Michigan�s Lake of the Clouds. We see a ridge of basalt in the foreground.

An image comparing the relative sizes of our solar system�s known dwarf planets, including the newly discovered 2017 OF201

an illustration showing a large disk of material around a star

a person holds a GLP-1 injector

A man with light skin and dark hair and beard leans back in a wooden boat, rowing with oars into the sea

an MRI scan of a brain

A photograph of two of Colossal�s genetically engineered wolves as pups.

An illustration of a hand that transforms into a strand of DNA