1278-334 - Sinaia, Romania Peles Castle interior decoration of the Moorish Salon where Hispanic and North-African elements are combined.

1361-95 - Bird's eye view of two combined tractors mowing a yellow meadow in two different rows, Italy, Europe

1350-18 - Gum Nebula area of Vela and Puppis. Taken from Atacama Lodge, Chile, March 19, 2010, with modified Canon 5D MkII and Sigma 50mm lens at f/4, for stack of 10 x 6 minute exposures (Mean combined) at ISO 800 plus 2 x 6 minutes with Kenko Softon filter. High contrast boost and Selective Colour adjustments to bring out nebulocity while retaining neutral sky.

1350-36 - Sunset clouds and colours on December 3, 2013 from Massai Point, Chiricahua National Monument, Arizona. This is a 7-frame HDR High Dynamic Range stack to compress the high contrast from the bright sky and dark foreground into one image. Combined with Photomatix Pro. Taken with the Canon 5D MkIi and Canon 24mm lens at f/8. From images _MG_6996_6997_6998_6999_7000_7001_7002 taken at 2/3rd stop increments.

1116-49655 - An aerial view of the coastline at Waianapanapa State Park, Hana, Maui, Hawaii. The famous black sand beach is in the bay at the top of the frame. Five images were combined for this stitched composite, Hana, Maui, Hawaii, United States of America

1116-49710 - An aerial view of Lahaina harbor and town including the Pioneer Inn and West Maui Mountains, Maui, Hawaii, USA. Three images were combined for this panorama, Lahaina, Maui, Hawaii, United States of America

1116-49653 - The view across the Zhujiang River from the White Swan Hotel. Five images were combined for this panorama image, Guangzhou, Guangdong province, China

1116-39934 - Aerial view of kayaks over the reefs off Olowalu, West Maui. Six photographs were combined for this final image, Lahaina, Maui, Hawaii, United States of America

857-92685 - Three participants of the UTMB are running in the hills of Chamonix. The famous peaks of the Mont Blanc range are in the background. The Ultra-Trail du Mont-Blanc (also referred to as UTMB) is a single-stage mountain ultramarathon. It takes place once a year in the Alps, across France, Italy and Switzerland. The distance is approximately 166 kilometres (103 mi), with a total elevation gain of around 9,600 m. It is widely regarded as one of the most difficult foot races in Europe. It's certainly one of the largest with over two thousand starters. The combined participation in all of the events is approaching 10 thousand runners. While the best runners complete the loop in slightly more than 20 hours, most runners take 30 to 45 hours to reach the finish line.

857-92684 - An elderly woman is running in the hills of Chamonix. She is close to finishing the extremely exhausting UTMB race. The Ultra-Trail du Mont-Blanc (also referred to as UTMB) is a single-stage mountain ultramarathon. It takes place once a year in the Alps, across France, Italy and Switzerland. The distance is approximately 166 kilometres (103 mi), with a total elevation gain of around 9,600 m. It is widely regarded as one of the most difficult foot races in Europe. It's certainly one of the largest with over two thousand starters. The combined participation in all of the events is approaching 10 thousand runners. While the best runners complete the loop in slightly more than 20 hours, most runners take 30 to 45 hours to reach the finish line.

1171-161 - Low wide angle view of a group of new skyscrapers combined with fresh greenery in Jianggan, Hangzhou, Zhejiang, China, Asia

465-3323 - One of the first combined photovoltaic/solar panelled and green roofs built in the world, experimental roof built in 1990s, Berlin, Germany, Europe

832-346997 - Combined heat and power station Berlin Buch, Vattenfall, control of the chimney

832-294663 - Numerous locks

832-246355 - Smoking chimney of the HafenCity combined heat and power station of the company Vattenfall, HafenCity, Hamburg, Germany, Europe

832-246356 - Smoking chimney of the HafenCity combined heat and power station of the company Vattenfall, HafenCity, Hamburg, Germany, Europe

911-9797 - The Diemen combined heat and power plant on the outskirts of Amsterdam, Netherlands, Europe

911-9801 - The Diemen combined heat and power plant on the outskirts of Amsterdam, Netherlands, Europe

911-9796 - The Diemen combined heat and power plant on the outskirts of Amsterdam, Netherlands, Europe

911-9798 - The Diemen combined heat and power plant on the outskirts of Amsterdam, Netherlands, Europe

911-9802 - A combined heat and power plant providing hot water for space heating in Almere, Netherlands, Europe

911-9800 - The Diemen combined heat and power plant on the outskirts of Amsterdam, Netherlands, Europe

832-175766 - Altbach combined heat and power plant, Baden-Wuerttemberg, Germany, Europe

832-128313 - Biogas plant, biomass power plant, with combined heat and power unit, CHP, and an adjacent silo, maize silage

747-1418 - The combined churches of Igrega dos Carmelitas and Igreja do Carmo with blue tiled wall, Oporto, Portugal, Europe

832-79914 - Combined cycle power plant, coal and natural gas, Gersteinwerk plant, RWE Power AG company, Werne-Stockum, Ruhrgebiet area, North Rhine-Westphalia, Germany, Europe

832-79910 - Combined cycle power plant, coal and natural gas, Gersteinwerk plant, RWE Power AG company, Werne-Stockum, Ruhrgebiet area, North Rhine-Westphalia, Germany, Europe

832-64880 - View from Steinberg hill, on combined heat and power station, Kulturspeicher cultural centre, Main River, Alte Mainbruecke bridge, Wuerzburg, Lower Franconia, Franconia, Bavaria, Germany, Europe, PublicGround

826-524 - Newcastle Combined Court Centre, Post Modern Classical law courts by Napper Architects, Newcastle, Tyne and Wear, England, United Kingdom, Europe

1116-18492 - Wheat being combined, Lumsden, Saskatchewan

1196-5 - A light-filled elementary classroom. A white ceiling reflects light from the windows above. Traditional building methods and materials, such as the poplar and willow ceilings are combined with modern solar and passive solar technology. Druk Padma Karpo Institute. Shey, Ladakh, India

1196-24 - A light-filled elementary classroom. A white ceiling reflects light from the windows above. Traditional building methods and materials, such as the poplar and willow ceilings are combined with modern solar and passive solar technology. Druk Padma Karpo Institute. Shey, Ladakh, India

1196-1 - A light-filled elementary classroom. A white ceiling reflects light from the windows above. Traditional building methods and materials, such as the poplar and willow ceilings are combined with modern solar and passive solar technology. Druk Padma Karpo Institute. Shey, Ladakh, India

911-5620 - A combined heat and power plant at Daveyhulme waste water treatment plant, Manchester, England, United Kingdom, Europe

911-259 - A pipe taking heat from the combined heat and power plant to houses in Ilulissat on Greenland, Polar Regions

829-818 - The De Beers diamond mine in Kimberley South Africa being filled with re-processed mine dump tailings from the De Beers combined treatment plant (CTP).

829-819 - The De Beers diamond mine in Kimberley South Africa being filled with re-processed mine dump tailings from the De Beers combined treatment plant (CTP).

829-821 - The Combined Treatment Plant (CTP) run by the De Beers company to re-process diamond mine tailings in Kimberley South Africa. It was opened on 2 August 2004.

829-820 - The De Beers diamond mine in Kimberley South Africa being filled with re-processed mine dump tailings from the De Beers combined treatment plant (CTP).

823-187 - Aerial image of Tower Bridge, a combined bascule and suspension bridge, over the River Thames, London, England, United Kingdom, Europe

733-3000 - Chinese style and modern architecture combined at Beijing West Train Station, Beijing, China, Asia

574-211 - A group of men in a combined shop and workshop in Upper Hunza in the Hunza Valley, Pakistan, Asia