Walkway with stairs in an old architectural structure with a slimy green floor surrounded by trees and nature

slat puddles stairs hallway old slatted walls slatted floor water reflection walls neglected floor natural moss mossy floor mossy walls reflection stone concrete nature stagnant water stagnant day ancient architectural structure san pedro de las rocas ancient construction interesting beautiful historic know explore humidity abandoned careless lonely far silent cool exploration hidden places tourism summer grass flora green grey lonely corridor tourist guide architecture