rock and star sand of hoshizuna no hama beach, iriomote isalnd -

asia baculogypsina bay beach close coast coral crustacean environment extraodinary foraminifera fossil hama hoshizuna iriomote island japan journey landscape macro marine mineralogy nature ocean okinawa protozoa reef rock sand sea shell shellfish shore sky sphaerulata star stone summer taketomi texture tiny travel tropical vacation