Rebecca Bailey rides a unicycle during a winter nor'easter snow storm in Boston, Massachusetts, U.S. February 9, 2017. (Photo by Brian Snyder/Reuters)

A combination photo shows various popular street foods under $6 from various hawker food stalls and eateries in Singapore, taken between July 28 to 31, 2016. Top row (L to R) bak chor mee, soya sauce chicken; Middle row (L to R) laksa, hokkien mee, nasi lemak, ice kachang; Bottom row (L to R) rojak, roti prata and satay. (Photo by Edgar Su/Reuters)

“Wernher Magnus Maximilian Freiherr von Braun (March 23, 1912 – June 16, 1977) was a German-born rocket scientist, aerospace engineer, space architect, and one of the leading figures in the development of rocket technology in Nazi Germany during World War II and, subsequently, the United States”. – Wikipedia

Photo: German-born American engineer Dr. Wernher von Braun with a model of the Explorer orbiting space satellite which he designed. (Photo by Keystone/Getty Images). 1958

A member of the Eton public school O.T.C. (Officers Training Corps) practising shouting out orders during a training session, 20th January 1940. (Photo by Hulton Archive/Getty Images)

“The 27 Club, also occasionally known as the Forever 27 Club or Club 27, is a name for a group of influential rock and blues musicians who all died at the age of 27. The 27 Club consists of two related phenomena, both in the realm of popular culture. The first is a list of five famous rock musicians who died at age 27: Brian Jones, Jimi Hendrix, Janis Joplin, Jim Morrison, and Kurt Cobain. The second is the idea that many other notable musicians have also died at the age of 27”. – Wikipedia

Photo: Singer Amy Winehouse arrives at Snaresbrook Crown Court to see husband Blake Fielder-Civil on June 2, 2008 in London, England. (Photo by Dan Kitwood/Getty Images). Amy Winehouse dies at 27...

“Alan Alexander “A. A.” Milne (18 January 1882 – 31 January 1956) was an English author. Milne is most famous for his two Pooh books about a boy named Christopher Robin after his son, and various characters inspired by his son's stuffed animals, most notably the bear named Winnie-the-Pooh”. – Wikipedia

Photo: A rare American first edition of a Winnie-the-Pooh book signed by the author A.A. Milne and illustrator E. H. Shephard is displayed with Pooh characters form a 1930's game at a press preview at Sotheby's Auctioneers on December 15, 2008 in London. (Photo by Peter Macdiarmid/Getty Images)

Women in Chicago being arrested for wearing one piece bathing suits, without the required leg coverings. (Photo by Topical Press Agency/Getty Images). 1922

In this Friday, January 7, 2011 photo, people carry baskets of coal scavenged illegally at an open-cast mine in the village of Bokapahari in the eastern Indian state of Jharkhand where a community of coal scavengers live and work. The world's biggest coal users – China, the United States and India – have boosted coal mining in 2017, in an abrupt departure from last year's record global decline for the heavily polluting fuel and a setback to efforts to rein in climate change emissions. (Photo by Kevin Frayer/AP Photo)