carriage forest grass old park pioneer river settler. teepee tend wagon west western beautiful country countryside landscape light Northumberland peace rural sun tranquility water winter bottom Mineral pebble rock rocks sand spring stone stones Underground wet gravel limestone pebbles riverbed sandstone shale slate texture backwater canal city green home house Italy Padua stream town urban waterway barrier bridge channel cross crossing railroad railway steel train trains arch arches blocks brick bricks brickwork dundee rail red Tay crocodile elephants Kenya mara mara river Masai Mara migration Serengeti Wildebeest architecture corridor door facade Mexico orange Tlacotalpan Veracruz windows World Heritage Site