wider view of travertine terraces, with mineral sediments in shades of red, brown, and yellow, accentuated by shallow water pools

antique hierapolis green tourism beauty pool stone pamukkale blue nature landmark travertine unesco travel natural thermal summer attraction turkey sunrise calcium bath pools famous terrace sky beautiful turkish mountain white denizli scenic water landscape view aqua terminal landscapes heritage outdoor wider terraces mineral sediments shades red brown yellow accentuated shallow pools