A crescent Venus as seen in ultraviolet light by the Hubble Space Telescope. JPL. Back when Earth was very young, our home world was steadily pummeled by large solar system debris. While Earth withstood the barrage of hits like a prizefighter that wouldn't fall down, one blow nearly destroyed the world.
10 Legends and Stories of the Great Wall of China (1). The majestic Great Wall was built with wisdom, dedication, blood, sweat and tears. As one of the Eight Wonders in the world, the Great Wall of China has become the symbol of the Chinese nation and its culture.
The Great Wall of China belongs not only to China, but also to the world as a great cultural heritage. Due to political unrest, there was a dire need to build the Great Wall of China. Thus, China halted the expeditionary voyages of explorer Zheng He, so that the naval funds could be used in building the Great Wall of China.