Students at the Cuba's National Ballet School (ENB) watch a class from outside the classroom in Havana, Cuba, October 12, 2016. Catherine Conley, the first American full-time student at Cuba's prestigious National Ballet School, hopes to gain an edge back home by learning the powerful Cuban style with its dazzling turns and jumps. (Photo by Alexandre Meneghini/Reuters)

Reverend Simon Davis prays with the dancers before the Abbots Bromley Horn Dance in Abbots Bromley, Britain, September 12, 2016. The Abbots Bromley Horn Dance is an English folk dance dating back to the Middle Ages. (Photo by Darren Staples/Reuters)

Dressed for the traditional New Year's festival known as “La Diablada”, in Pillaro, Ecuador, Friday, January 5, 2018. Thousands of singing and dancing devils take over the mountain town for six days of revelry in the streets. Local legend holds that anyone who adopts a costume for the celebration and wears it at the event six years in a row will have good luck. (Photo by Dolores Ochoa/AP Photo)

A cameraman films “Diana And Callisto” (circa 1556-59) oil painting by Venetian artist Titian as it goes on display for the first time at the National Gallery on March 1, 2012 in London, England.(Photo by Dan Kitwood/Getty Images)

More than 700 underwater images were submitted for the 2012 Annual Underwater Photography Contest, hosted by the University of Miami's Rosenstiel School of Marine & Atmospheric Science. This year, for the first time, the University of Miami set up a “Fan Favorite” category for its underwater photo competition. Internet users could vote for their favorite among five pictures. Todd Aki's photo of a jellyfish took the prize, snaring 599 of the 1,221 votes cast. (Photo by Todd Aki)

Ciara Sexton attends the premiere of “Lord Of The Dance 3D” held at The Cineworld Haymarket on March 10, 2011 in London, England.

A couple throw themselves into an energetic jive at a studio in London.

“Tony Lepore (born October 17, 1947), aka the Dancing Cop, is a retired American police officer who has been entertaining on the streets of Providence, Rhode Island during the December holiday season by directing traffic using a dancing style since 1984”. – Wikipedia

Photo: Retired police officer Tony Lepore performs his dance routine while directing traffic December 14, 2004 in downtown Providence, Rhode Island. Lepore has been entertaining drivers and directing traffic at intersections around Providence for 20 years. He came upon the idea after seeing a “Candid Camera” clip of New York City police officers who flamboyantly directed traffic in the 1950's. (Photo by Darren McCollester/Getty Images)