_:b1216811 . _:b1216812 . _:b1216812 . _:b1216815 . _:b1216815 . _:b1216813 . . "grain of sea sand"^^ . "ENVO:00000347"^^ . _:b1216814 . _:b1216812 . _:b1216814 _:b1216813 . _:b1216815 . "ENVO"^^ . _:b1216811 . _:b1216815 . _:b1216813 _:b1216812 . _:b1216811 _:b1216814 . .