The document provides brief descriptions of landmarks and facts about 5 different countries: - China's Great Wall was built to keep out invaders. It can be seen from the top of the earth. - In ancient Egypt, pyramids were built to store the bodies of the dead after mummification. - Greece was home to the original Olympics and trained children for war from age 7. - Rome constructed architectural elements like arches, domes and columns. - Mali's Sahara Desert, the world's largest, was used by its people to travel between places.