The Great Sinkhole Mystery

It makes me think if our SWF's investment losses can also be like this?

Abstracted and Re-posted From
ST Online Jun 11, 2010

GUATEMALA CITY - A MASSIVE sinkhole that gulped down a clothing factory and an entire intersection in Guatemala's capital is mystifying geologists who have yet to figure out what caused it.

'It's the million-dollar question,' said David Monterroso, a geophysical engineer with the National Disaster Management Agency. Nearly 30m deep and 20m wide, the hole formed during a deadly tropical storm in late May.....