Bennett's Cave
Bennett's Cave is a cave in the British Overseas Territory of Gibraltar. It forms part of the Gorham's Cave complex which have been nominated for UNESCO World Heritage Site status. Description. Bennett's Cave is one of four caves which together make up the Gorham's Cave complex which has been nominated to become a UNESCO World Heritage Site. The other caves are Vanguard, Gorham's and Hyaena Cave. Bennett's cave. like the other three, has been gradually filled with sand that has been blown in over thousands of years. These sands fall and  over time they build up to remarkable depths. In the case of Vanguard Cave and Gorham's Cave the deposits are more than seventeen metres deep. Because of this the layers of sand record the environment from 15,000 to 55,000 years ago when the area was very different. In the past the sea level was lower and the shoreline was over 4,500 metres from the caves whereas today it is very close.