A worker stack bricks on his head at a brick factory in Lalitpur January 12, 2015. (Photo by Navesh Chitrakar/Reuters)

The Wuppertal Suspension Railways is one a kind elevated railway located in Wuppertak, Germany. It is the oldest elevated railway in the world, though it doesn’t look like it. It is kept in great condition by the government and provides for a great attraction for the tourists. It provides a great overview, as it runs above a number of city streets and a small river. Moreover, since it is powered by electricity, it proves an ecologically clean method of travel for the residents of the city.

“Kilauea Rules”. The most extreme place we put ours kayakers to paddle till now. Photo location: Big Island, Hawaii. (Photo and caption by Alexandre Socci/National Geographic Photo Contest)

The moon illuminates the snow-covered Concordia, the confluence of the Baltoro and Godwin-Austen glaciers, near the world's second highest mountain the K2 (8,000 meters) in the Karakoram mountain range in Pakistan September 6, 2014. While other parts of Pakistan and northern India were flooded, Concordia in the Karakoram mountain range was covered with a seasonally unusual amount of snow. Geographically, Pakistan is a climbers paradise. It rivals Nepal for the number of peaks over 7,000 meters and is home to the world's second tallest mountain, K2, as well as four of the world's 14 summits higher than 8,000 meters. (Photo by Wolfgang Rattay/Reuters)

“DC3 Wreck”. A capture of a US military DC3 plane wreck at the southern black beach in Iceland. Photo location: Iceland. (Photo and caption by Naian Feng/National Geographic Photo Contest)

A woman looks on while a horse-drawn carriage passes by Italian artist Emilio Ferro's artwork installation “Portal of Light” at the Giza pyramids necropolis during the second edition of the Art D’Égypte exhibition “Forever is Now” on October 27, 2022. (Photo by Khaled Desouki/AFP Photo)

A picture taken on April 27, 2021, shows the electrical wires running between homes in the capital Baghdad's Murabaa neighbourhood. Between January and March alone, the interior ministry recorded 7,000 fires, the deadliest of which erupted on Sunday in a Covid-19 hospital in Baghdad. Eighty-two people died and 100 others were injured in the inferno, which sparked shock and outrage in the country. Baghdad, a sprawling metropolis of 10 million people, has the tragic distinction of being the Iraqi city hit by the most fires every year. (Photo by Sabah Arar/AFP Photo)