Sinkhole may exhibit a visible opening into a cave below. In the case of exceptionally large sinkholes, such as the Minyé sinkhole in Papua New Guinea or Cedar Sink at Mammoth Cave National Park in Kentucky, an underground stream or river may be visible across its bottom flowing from one side to the other. Sinkholes are common where the rock below the land surface is limestone or other carbonate rock, salt beds, or in other soluble rocks, such as gypsum, that can be dissolved naturally by circulating ground water. Sinkholes also occur in sandstone and quartzite terrains. As the rock dissolves,
A Man Who Was Superman caused a seizure, causing him to collapse on the road. As he writhed on the ground in pain, the car exploded with his daughter still inside. None of the onlookers in the crowd attempted to help Lee or his daughter. It was at this moment when mental trauma caused Lee to believe he was Superman. Lee lives his life with the belief that he is indeed Superman. Soo-jung follows Lee around as he attempts to help the community in his bizarre fashion. With his "super-deeds" Lee inspires hope within the community and people begin to follow his example. But this