「不到長城非好漢」(bú dào Chángchéng fēi hǎohàn) : Who never climbed the Great Wall cannot be deemed a true Man. - 毛澤東 Mao Zedong -
This popular Chinese saying is originated from a classical Chinese poem on mountain climb. This saying shows that a true man can overcome any difficulties.
长城 (Chángchéng) - The Great Wall in China, one of the greatest world's wonders, was
the greatest manmade military defense structure in ancient China, and
is the construction project on the Earth that can be seen clearly from
space. UN named it one of the world's cultural heritages in 1987.