Termites in Brazil have covered an area the size of Britain in mounds

日期:2019-03-07 03:18:22 作者:衡祚 阅读:

Roy Funch By Sam Wong In the dry forests of northeastern Brazil, an area of 230,000 square kilometres – larger than Great Britain – is covered in 200 million regularly spaced mounds, each about 2.5 metres tall. These mounds, known to locals as murundus, are the waste earth dug out by termites to create a vast network of underground tunnels, and some of them are up to 4000 years old. The termites have excavated over 10 cubic kilometres of earth to build the tunnels and mounds, making this the biggest engineering project by any animal besides humans,