World’s Largest estructure. China great wall video 3.
 

It has been estimated that somewhere in the range of 2 to 3 million Chinese died as part of the centuries-long project of building the wall.

The area of Guangdong boasts a large quantity of its thermal waters. With more than 300 items discovered, the region is the third-level Mainland China after Tibet and Yunan. According to official statistics, last year more than 10 million tourists spent nearly 10 trillion yuan (1.46 billion dollars) during their visits to [...]

The Great wall of china stretches over approximately 6,400 km (4,000 miles). Video 1 of 5

The great wall in china is one of the wonders of the world. Thousands of tourists visit them every year, traveling by foot much of its length.
It was built as part of a defensive system to prevent invasions of the neighboring tribes.