It is called the Diwang Tree (the Emperor of Trees). Other ancient trees in Beijing include the lacebark pine known as Baipao Jiangjun (the General in White Robe) on the Tuancheng (Round City), a ...

Goat willow trees are being planted because the "iconic" purple emperor butterfly uses them as a habitat. The purple emperor is often found in southern England but conservationists hope it will ...