A technique rather than a subject. See Category:Silhouettes for ideas. -- Colin (talk) 14:10, 27 November 2013 (UTC)
Note: The challenge is being kept open till the end of Sunday, 5th January 2014. -- Colin (talk) 22:57, 1 January 2014 (UTC)
Lifeguard stand, Point Mugu, California.
Baudet du Poitou (Poitou donkey) at sunset, Vallet, France.
Rochefort-Martrou Transporter Bridge, Charente-Maritime, France.
Weathercock at Limbergalm, province of Salzburg, Austria.
Twilight in Tuscany, wind turbines on a hill range.
Castle of Essalois.
Stockholms stadshuset with setting moon
Sunset over Adria at Rovinj (Croatia)
Grain stalk with backlight
Zelena Street in Lviv, Ukraine
Sunset behind the canopy of a North American T-28A Fennec.
Evening flight of a Thulin A 1910.
Schneeberg in Lower Austria a few minutes before Sunrise.
Power cable of Donauuferbahn near power plant Freudenau, Vienna
Yacht in fog at sunset.
A hummingbird perched on a branch nearby Coit Tower in San Francisco, California.
Sonnenaufgang im nördlichen Waldviertel
Silhouette of a beech at the peak of the Wilzenberg
Nativity scene in front of a house in Valdosta, Georgia
Strait of Georgia. Silhouettes of islands in the light of the sunset
Prince Eugene on Heldenplatz, Vienna
Village Rudantsi, Ukraine
The ruins of the castle "Schneeburg" above Ebrigen (near Freiburg im Breisgau, germany) at sundown
Twilight in Lausanne
Village Vyzhniany, Ukraine
Electricity pylon near Újezd u Průhonic during sunset, Prague, Czech Republic
Fishermen at the beach of Guincho, Portugal
Couple enjoying the sunset. Porto Covo, Portugal
Frioul islands, Marseille (France)
Sunrise with a gull (Le Havre)
Silhouettes of the Place de la Concorde, Paris (France).
Couple looking at the sunset. Porto Covo, Portugal
Sunset with peole and a lighthouse. Porto Covo, Portugal
Woman legs in a party.
Golden Gate Bridge, from Tiburon
View from the Mondhalde, Kaiserstuhl, Germany
Christmas candle silhouette
Hiroki Ikegawa of Crossfaith at Groezrock 2013
silhouette of chalets and mountain in Samoens, France
silhouette of a men in front of the sunset at Astotin Lake, Elk Island
Abbey-church of Beauport, Paimpol (France)
Double-crested Cormorant flying in the sun (Devereux Lagoon, California, U.S.A.)
Atardecer en Pinar del Rio. Cuba. 2013
Atardecer en la Autopista nacional. Cuba. 2013
Empinando Cometas en un atardecer. Cuba 2013
Amanecer en Mayabeque. Cuba. 2013
Whale watchers at Depoe Bay
Dugald Stewart Monument
Bicycle in Dülmen, Germany
Chess pieces (king and queen) in front of LCD monitor, which had plain red background
Trees with a bit of mist near Gleisdorf, Styria
Angel from a nativity scene from Tyrol
Dead tree at the Dish, Stanford, California, USA
Staircase to the beach of Costa da Caparica, Portugal