Twenty more Siberian tiger cubs born in NE China
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A breeding-base in northeast China's Heilongjiang province has welcomed 20 newborn Siberian tigers between February and April, bringing the total number to over 400. /Xinhua Photo.

A breeding-base in northeast China's Heilongjiang province has welcomed 20 newborn Siberian tigers between February and April, bringing the total number to over 400. /Xinhua Photo.

The China Hengdaohezi Feline Breeding Center, the biggest Siberian tiger breeding base in the world, expects to welcome around 100 cubs by the end of the year, Xinhua reported. /Xinhua Photo.

The China Hengdaohezi Feline Breeding Center, the biggest Siberian tiger breeding base in the world, expects to welcome around 100 cubs by the end of the year, Xinhua reported. /Xinhua Photo.

Siberian tigers, also known as Amur or Manchurian tigers, are among the world's most endangered species. /Xinhua Photo.

Siberian tigers, also known as Amur or Manchurian tigers, are among the world's most endangered species. /Xinhua Photo.

They live mainly in northeastern China, eastern Russia and the northern part of the Korean Peninsula. /Xinhua Photo

They live mainly in northeastern China, eastern Russia and the northern part of the Korean Peninsula. /Xinhua Photo