General view of the atmosphere at the Halloween celebrating in city centre on October 29, 2021 in Newcastle, United Kingdom. (Photo by Newcastle New Projects)
Sled dogs in Svalbard, Norway live in little houses built a foot or two off the ground so they remain accessible even after snowstorm. Raising the floor above the cold ground also keeps the dogs warmer in the winter.
The Titlis Cliff Walk in the Swiss Alps took five months to build and is thought to be Europe's highest suspension bridge, at a stomach-turning 9,800ft (3,000m) above sea level.
Tree houses, treehouses, or tree forts, are platforms or buildings constructed around, next to or among the trunk or branches of one or more mature trees while above ground level. Tree houses can be used for recreation, work space, habitation, observation or as temporary retreats.
Employees work on a crane above an E-70 wind turbine manufactured by German company Enercon for La Compagnie du Vent during its installation at a wind farm in Meneslies, Picardie region, France July 31, 2014. (Photo by Benoit Tessier/Reuters)
Golden gate Bridge Fog Thick early morning fog engulfed a huge world famous bridge so that only the very tip of it is visible above the clouds. Photographer Ali Erturk, 33, hiked to the spot at 4am to capture the stunning sight of the Golden Gates bridge immersed in the dense swirls of fog. (Photo by Solent News and Photo Agency)