Eternal challenge

摘要

Beneath a patchwork of green fields and beech forests not far from the city of Brunswick, Germany, lies an environmental time bomb. Known as Asse Ⅱ, it is an abandoned salt mine used as a makeshift store for hundreds of thousands of drums of radioactive waste, dumped there during the 1960s and 70s. In 1988, groundwater began seeping through the walls of the mine as many had feared, threatening disaster.