“For most Londoners, the most common view they enjoy as they trudge to work is the back of another commuter's head. But now, thanks to the Streetmuseum app, anyone traipsing through the capital's streets can step back in time to see what London looked like in the 19th and 20th century compared with today – all in the same image”. – Joe Krishnan via The Independent. Photo: A street scene in London’s Covent Garden with the underground station and a horse and cart in the background in c.1930 and the same street in 2014. (Photo by Museum of London/Streetmuseum app)

The 26th annual National Geographic Traveler Photo Contest is now accepting submissions. Official categories include: “Travel Portraits”, “Outdoor Scenes”, “Sense of Place” and “Spontaneous Moments”. The contest is accepting entries until June 30. Photo: “Forest lights”. Aurora Borealis over the forest of the Pyhae Luosto National Park, Finland. (Photo and caption by Nicholas Roemmelt/National Geographic Traveler Photo Contest)

Rescue operations are undergoing to recover the sunken ferry MV Miraj 4 in the Megna River near Munshiganj, Bangladesh, 16 May 2014. The death toll in the Bangladesh ferry disaster rose to 26 on 16 May, including children and women and many more feared dead as the ferry, carrying more than 200 passengers on board, sunk during a storm on 15 may 2014, police authorities said. (Photo by Abir Abdullah/EPA)

English singer, songwriter and model Sophie Ellis-Bextor performs at G-A-Y at The Astoria on February 17, 2007 in London, England. (Photo by Jo Hale/Getty Images)

Visitors walk past a family of scarecrows during the Scarecrow Festival in Heather, Britain July 29, 2015. The annual event asks residents of Heather to make scarecrows to raise thousands of pounds for local groups and charities. (Photo by Darren Staples/Reuters)

A competitor laughs while taking part in the office chair race ISU-1 Grand Prix in Tainan, southern Taiwan April 24, 2016. It was the first time such a race was held in Tainan, as part of the “ISU-1 GP” (Grand Prix) that began in Japan in 2010, according to businesses on Jhengsing Street and Haian Road in the city's West Central District and the city's Tourism Bureau, which organized the event. The fastest rider only took six seconds to complete the 30-meter race. (Photo by Tyrone Siu/Reuters)

Nepalese women and young girls struggle to drink homemade alcohol poured through a pipe sticking out of the mouth of Swet Bhairab, a god of Power, during the Indra Jatra festival at Basantapur Durbar Square in Kathmandu, Nepal, 17 September 2016. Hundreds of women and young girls gathered to drink alcohol as a blessing from idol of Swet Bhairab which they believes will keep them free from all diseases. The Indra Jatra festival is celebrated to honor Indra, the king of gods and god of rains. The festival also marks the end of the monsoon. (Photo by Narendra Shrestha/EPA)

Italian artist Maurizio Cattelan poses with his creation “Him” (2001) prior to the opening of the exhibition “Not Afraid of Love” at the Hotel de la Monnaie in Paris, France, October 17, 2016. From October 21, 2016 to January 8, 2017, “Not Afraid of Love”, curated by Chiara Parisi, director of Cultural Programs, sets Maurizio Cattelan’s “comeback at work” in one of the most beautiful Palaces on the river Seine. (Photo by Philippe Wojazer/Reuters)