A portrait of Kazakh historical figure Ablai Khan is projected on a building in downtown Astana, Kazakhstan, October 8, 2015. (Photo by Shamil Zhumatov/Reuters)

Farmers work on a farm near a construction site of new residential buildings in Shanghai, China, February 20, 2016. (Photo by Aly Song/Reuters)

A woman walks inside a building in downtown Havana, Cuba April 21, 2016. (Photo by Alexandre Meneghini/Reuters)

Yaroslav Segeda at the top of a high rise building in Kudrinskaya Square, Moscow, Russia. (Photo by Yaroslav Segeda/Caters News)

A view of the Sheikh Zayed highway in Dubai and some high rise buildings, November 8, 2007. (Photo by Steve Crisp/Reuters)

Green building also known as green construction or sustainable building is the practice of creating structures and using processes that are environmentally responsible and resource-efficient.

In the hours 41-year-old Ralph Savelsberg is not working as a physicist for the Dutch Ministry of Defence, he is recreating classic vehicles in everyones favourite bricks. Ralph said: Building a LEGO set is fun, but I've always preferred to build my own models. Here: “Ghostbusters”. (Photo by Ralph Savelsberg/Caters News)

Suffering from a broken nose and bruised ribs Natasha Dzhuley, 16, relaxes after inhaling glue for the first time – something she swore she would never do, 2002. She was beaten by her pimps men in what Ruslana believes was a warning to other prostitutes to stay in line. Though another child believes her pimp had her beaten because she was pregnant. Less than a week after this picture of Natasha was taken she was dragged away by six men. She has not been heard or seen since. (Photo by Kurt Vinion /Getty Images)