Cosquer Cave — Wikipedia

Cosquer Cave ([kɔskɛʁ]) is located in the Calanque de Morgiou in Marseille, France, near Cap Morgiou. The entrance to the cave is located 37 m (121 ft) underwater, due to the Holocene sea level rise, and contains various prehistoric rock art engravings. Its submarine entrance was discovered in 1985 by Henri Cosquer, a professional diver. The underwater passage leading to the cave was progressively explored until 1990 by cave divers, without the divers being aware of the archaeological character of the cave. Only in the last period (1990-91) of the progressive underwater explorations did...