Sand waves at dusk, Great Sand Dunes National Park, Colorado, USA
Aerial view of famous Copacabana Beach and Ipanema beach in Rio de Janeiro, Brazil
Aerial view of Elephant cove, Denmark, Albany, Western Australia
Sunrise on Lamai Beach, Koh Samui, Thailand
Rock formation in sands of Sahara desert near Ounianga Kébir, Ennedi Plateau, Chad
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