Uncertain Footing

We go about our business without a care for the ground beneath us. However, can we be sure our foot will not slip? Losing what we think is firm footing can occur suddenly and without warning. Some causes are of this earth and some are not. All are common to the human condition.

One way we lose our footing is due to sinkholes. These occur because water erodes underground supports via either natural or manmade processes.

A Sinkhole in a Northeastern Chinese City Swallowed Five People [Required...