Sinkholes are fairly common, due to collapsed caves, old mines or dissolving material, but the circumstances in South Dakota ...
Heavy rainfall in Busan created a huge sinkhole - 10 meters by 5 meters with a depth of 8 meters - engulfing two big trucks, ...
A 26-foot deep sinkhole occurred on the road in Busan, South Korea, on Saturday (September 21) amid heavy rain, causing two ...