There's also been a renewed debate about Japan’s aging infrastructure. Just after the sinkhole appeared in Yashio City, just northeast of Tokyo, on Tuesday morning a 3-ton truck fell into it.

But he warned that when a large underground waterpipe ruptures, leaked water could wash away these sediments, creating a sinkhole. Much of Japan’s public infrastructure was built between the ...

There’s also been a renewed debate about Japan’s aging infrastructure. Just after the sinkhole appeared in Yashio City, just northeast of Tokyo, on Tuesday morning a 3-ton truck fell into it.