Undated photo shows spectacular view of the Earth and the Moon captured by Chinese taikonaut Liu Yang.Photo:China News Service

Undated photo shows spectacular view of the Earth and the Moon captured by Chinese taikonaut Liu Yang.Photo:China News Service

Undated photo is captured by Chinese taikonaut Chen Dong.Photo:China News Service

Undated photo shows spectacular view of the Earth captured by Chinese taikonaut Cai Xuzhe.Photo:China News Service