NR-1 Sinkhole interest, as sinkholes are generally believed to form only in environments which are subaerial, or exposed to the air. In contrast, the NR-1 Sinkhole is believed to be too deep underwater for the area to have been exposed to the air during formation in the Neogene. It was the first documented evidence suggesting that it is possible for karst sinkholes to form entirely underwater. NR-1 Sinkhole The NR-1 Sinkhole is a giant underwater sinkhole located in the Straits of Florida southwest of Key West, Florida. It is found at an approximate depth of of water at the foot of the
Akhayat sinkhole But a part of the ladder has been demolished and descending by using the ladder is dangerous. There are several man made caves on the walls of the sinkhole. west of the sinkhole there are traces of an ancient settlement which was probably a cult center. It is thought that the sinkhole and the settlement were probably related to each other. There are rock tombs and altars to the south of the sinkhole There are other sinkholes in Mersin Province such as Cennet and Cehennem system and Kanlıdivane. Akhayat is relatively less known. Although it is possible to visit the