blue bridge brown green mountain red rocks sky springtime Tan trees Utah bushes flowers foliage footpath gravel park path shrubs summer walking walkway arch arches lake lillies plants pond stone water field grass landscape meadow national park nature usa Yosemite autumn fall fungus HDR log mushroom Nyberg sponge sponges toadstool tree wood crop dordogne farm France hillside irrigation Juglans nut orchard plant walnut agriculture animal cow farming herbivore pool bloom Camp deck fence forest house shelter villa wooden bank banks island river sand sandy shore shores vistula wisla countryside grey locomotive snow snowy steam train white winter bog dwelling hut marsh swamp woods