“eLEGS is a wearable, artificially intelligent, bionic device that enables people with paralysis to stand up and walk again. The exoskeleton is battery-powered and rechargeable, fitting comfortably and securely over clothing. Initially, eLEGS will be used under medical supervision for rehabilitation and training”. – BerkeleyBionics.com

Photo: Paralysis victim Stephanie Sablan (L) is helped by physical therapist Shonna Moran as she walks using eLEGS robotic legs at Santa Clara Valley Medical Center on May 25, 2011 in San Jose, California. Sablan, 24, was paralyzed from the waist down earlier this year when she was in a car accident and has begun using the newly developed eLEGS made by Berkeley Bionics. The robot-like battery powered eLEGS fit over clothing and enables people with paralysis to stand up and walk again. (Photo by Justin Sullivan/Getty Images)

A craftsman works on making human anatomy mannequins on April 23, 2014 in Depok, West Java, Indonesia. The mannequins are made from fiberglass and will be used in schools, hospitals and laboratories. (Photo by Nurcholis Anhari Lubis/Getty Images)

A spooky sight to behold! This is what a psychiatric hospital that has been abandoned for years looks like. Complete with bowling alley and a theater, the hospital shows just how much nature has weathered it over time as paint peels from the walls and the mattress gather dust. Here: This area of the hospital was last used as a day care center in the early 2000s. (Photo by Will Ellis/Caters News)

Central to The Capture Site on the R103 in the KwaZulu-Natal Midlands – where Nelson Mandela was arrested in 1963 – is a sculptural installation by Johannesburg artist Marco Cianfanelli. When viewed from a distance, the 50 painted laser-cut steel columns form the image of Madiba’s face. Click on the image below for more on The Capture Site.

Singer Rihanna performs at the Staples Center on June 28, 2011 in Los Angeles, California. (Photo by Kevin Winter/Getty Images)

A Siberian tiger cub is seen at the Hengdaohezi Breeding Center for Felidae on October 26, 2007 in Harbin of Heilongjiang Province, China. Established in 1986, the breeding center is one of the world's largest captive breeding base for Siberian tigers. Distributed throughout northeastern China, far eastern Russia and North Korea, over 400 Siberian tigers exist in the wild, approximately 20 in China. (Photo by China Photos/Getty Images)

Cannabis cigarettes at the growing facility of the Tikun Olam company on March 7, 2011 near the northern city of Safed, Israel. In conjunction with Israel's Health Ministry, Tikon Olam are currently distributing cannabis for medicinal purposes to over 1800 people in Israel.

Russian pop art photographer Sergey Chilikov captures a nation liberated from the social oppression of late-era Soviet rule – at parties, in the streets, and bouncing high. His exhibition, Photoprovocations, will be at Photo London, 19-22 May. Here: Yoshkar-Ola, Matrosova Street (1995). (Photo by Sergey Chilikov)