The desert in China does provide scientists in the world with the most similar laboratory to the Martian environment. Scientists have been to the coldest Antarctica on Earth and the driest Chilean Atacama Desert, but what they really need is an extreme environment that combines the two. The text is intended to explain:. ['Chinese deserts provide an ideal place for alien research.', 'Chinese desert is more suitable for biological research than Antarctica.', 'Why do scientists choose the Chinese desert as the research object.', 'Having the most extreme environment is the main feature of the Chinese desert.']