Vittorio Ricci (thx to all!! 7.9 millions views):
U.S.A., stone's vertigo
Wavy1:
Dark Skies
keener2u:
London Friday
Icky Pic:
Hot Seat?
Orbitaldebris:
No. 04
Outrageous Images:
Colorado storm strike Colorado National Monument
Colorado Scenics:
Pikes Peak (inspired the Poem: America The Beautuful)
Fort Photo:
Pawnee Pond Pondering
Happy.Phantom:
broken strings
poopoorama:
in the nifty 50