Landmarks - China's Great Wall

CHINA S GREAT WALL CHINA S GREAT WALL IS ONE OF THE FEW MAN MADE OBJECTS THAT CAN BE SEEN FROM SPACE. IT STRETCHES ACROSS MORE THAN 6,400 KM OF WINDING LANDSCAPE, AND DURING ITS 2,000-YEAR HISTORY, THE WALL HAS SURVIVED THREATS FROM MONGOL HORDES, JAPANESE INVADERS AND THE RED GUARDS.