creek Giant Trees leaves pine cone rocks water bark canada conifer ecology enormous Fir forest giant green habitat huge moss natural nature temperate trees trunk Vancouver Island wild ancient Angkor angles appearance archaeological archaeology buddhism cambodia craftsmanship cultural culture damp decorative design encroaching encroachment features giant-spung-tree height heritage high Hinduism historical history intertwined jungle lichen monument mosses old ornamental perspectives Roots sculpted sculpture shaped spung-tree stones stonework surfaces Ta-Prohm temple temple-complex tetrameles-nudiflora textures thitpok tree weathered