泥桥在拉丁美洲的尼加拉瓜,有座泥桥,自重1吨多。据史料记载,这座桥建于公元876年,至今完好无损。原来,这座桥是用一种当地人称为火泥的特殊粘土堆成的。火泥呈红色,凝固以后如铁似钢,风吹雨打不变形。草桥在秘鲁阿普里玛克河一带的印第安人,至今仍喜欢用一种草来架桥。每年4月是雨季,这一带的依素草长得非常茂盛,人们用它拧成绳索,花3天时间就可架起一条能使用两年的桥。 Mud bridge in Nicaragua in Latin America, a mud bridge, weighing more than 1 ton. According to historical records, the bridge was built in 876 AD and remains intact. Originally, the bridge was made of a special clay called locust clay. Fire clay was red, solidified after the iron-like steel, wind and rain do not deform. Caochangdi Indians in the Peruvian Aprimac River still like to use a kind of grass to bridge. April is the rainy season each year. The grass in this area grows very luxuriantly. People use it to turn into ropes and spend three days building a bridge that can last two years.