This gigantic solar powered Chinese airship can fly for up to six months.
The airship Yuanmeng (dream), will fly this month to test its systems and capabilities, from Xilinhot in Mongolia.
Above image via Popular Science
The 75-metre-long airship, during a test flight last week, climbed to the altitude of 20 kilometers.
Yuanmeng has a volume of 18,000 cubic meters and can carry a payload of up to 6.3 tonnes.
In comparison the Aeroscraft ML866, which can carry a payload approaching 60 tonnes, will measure 169 meters in length, when will be completed around 2020.