Category: Manmade

Great Wall of China | Amazing

30 Amazing and Interesting Facts about Great Wall of China | Amazing Facts 4U  The Great Wall of China is the longest man-made structure in the world. While the Great …

Dam | Amazing

25 Amazing and Interesting Facts about Dams | Amazing Facts 4U  A dam is a barrier designed and constructed to contain the flow of water. Dams are built for purposes …