A Palestinian worker carries stalks at a sugar cane farm in the southern Gaza Strip city of Khan Yunis, on October 19, 2020. (Photo by Said Khatib/AFP Photo)

A utility worker clears snow by the Tomb of the Unknown Soldier in Alexander Garden during a snowfall in Moscow, Russia on January 28, 2021. (Photo by Vyacheslav Prokofyev/TASS)

A worker carries a carp freshwater fish at a breeding site in Iraq's central city of Najaf, on June 13, 2021. (Photo by Ali Najafi/AFP Photo)

A worker repairs fishing nets, which can stretch to more than 20 metres in length, in Sakon Nakhon, Thailand on August 12, 2021. (Photo by Chanwit Wanset/Solent New)

Workers lay out hundreds of umbrellas in neat lines ready for painting on May 26, 2022. The parasols are handmade using thick paper in Bogor, West Java, Indonesia. (Photo by Lisdiyanto Suhardjo/Solent News)

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.

Workers lay railway track in a tunnel of the Crossrail project in Stepney, east London, Britain, November 16, 2016. Crossrail, which is Europe's largest construction project, is a railway link which will connect outlying areas to the east and west of London with tunnels under the centre of the capital. (Photo by Stefan Wermuth/Reuters)