bimmah sinkhole in oman, where fresh and salt water combine, blue sky, white clouds

bimmah attraction beautiful blue caves ceater co coastal coast collaps dive eroded fresh geological gulf hawijat hawiyat najm hole landmark meteorite middle east miraculous most oman outdoor park region salt sandstone shooting sinkhole smashes snorkel spectacle spectacular staircase star sultanate of surface swim tourist travel turquoise vacation visit water wondrous