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

日期:2019-03-04 03:01:05 作者:汤稼 阅读:

Roy Funch By Sam Wong A VAST part of the dry forests of north-east Brazil has been reshaped by one of the world’s biggest engineering projects – all the work of termites. 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. Known as murundus, they are made of waste earth dug out by termites to create a huge network of tunnels. Some of the mounds and passages are up to 4000 years old. In all,