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,
Dream Caused by the Flight of a Bee Around a Pomegranate a Second Before Awakening Dream Caused by the Flight of a Bee Around a Pomegranate a Second Before Awakening Dream Caused by the Flight of a Bee Around a Pomegranate a Second Before Awakening (1944) is a surrealist painting by Salvador Dalí. A short, alternate title for the painting is Dream Caused by the Flight of a Bee. It was painted in 1944, while Dalí and his wife, Gala, were living in America. In this "hand-painted dream photograph", as Dalí generally called his paintings, there is a seascape of distant horizons and calm waters, perhaps Port Lligat, amidst which Gala is the subject of