【正文】
re brick. Each piece of stone has two or three one thousand catties, because there were no trains, cars, no crane, only by thousands of working people39。s shoulders and hands carried on step by step the steep mountain peaks。 By thousands of lives and sweat to build. You see, on our feet square brick, every piece of square brick, so smooth, on the top of the wall like a broad road, WuLiuPi mark in parallel. Do you know why the Great Wall can resist the enemy39。s invasion? Because it is not only strong, broad, more important is: it has scanned, nozzle and the beacon tower. Scanned and square nozzle on the wall outside more than two meters high on the rows of buttress, it is to observe the situation of the enemy, the second is to enemy fire. Every 300 meters, there is a square ChengTai, called beacon tower, one is used for station troops fortress, 2 it is with fire. Ok, my dear visitors, here about the introduction of the Great Wall is, as the saying goes: is not a true man unless he es to the Great Wall. Please adhere to climb on the Great Wall is the most highend, don39。t draw pictures on the stone carving, speak civilization health. I wish you a happy happy play.