Visitors and tourist people walks touring calcium carbonate travertines.Travertine terrace formations.Sedimentary rock deposited by waters from the hot spring.Pamukkale cotton castle natural world heritage site carbonates mineral Surface shimmering snow-white limestone ca-rich springs Turkey Turkish tourism crowd crowded walking hill hilly slope white aerial drone overhead fly anatolia denizli travel adventure geology wonderful fantastic excellent amazing beautiful real gorgeous geographic geological formation summer holiday vacation area imposing majestic beauty perfection awe spectacular ambience ambiance scene scenic background landscape view nature idyllic true color simple standard. UHD 4K 3840X2160