People take part in the "Bison Race" winter extreme run competition in Zhodino, Belarus, December 5, 2015. (Photo by Vasily Fedosenko/Reuters)

Would a Barbie doll with real-life proportions sell in stores? Pittsburgh artist Nickolay Lamm thinks so. He created a 3D model of Barbie if she had the proportions of an average 19-year-old woman. Artist Nickolay Lamm, from Pittsburgh, Pennsylvania, recreated the iconic Mattel doll using proportions of the average 19-year-old woman, according to the CDC. (Photo by Nickolay Lamm)

A bull savar (jockey) jumps off his tray as he competes in a bull race in Pind Sultani, Pakistan January 31, 2017. (Photo by Caren Firouz/Reuters)

A Nepalese army solder stand next to a horse during the “Ghodejatra” Horse Race festival, which is organised by the Nepal Army, in Kathmandu, Nepal, April 7, 2016. Ghode Jatra, the horse racing festival of Nepal, celebrated on the New Moon day of mid March or early April is among the important celebrations of the Kathmandu Valley. Grand horse parade including various acrobatic style of shows are performed by Nepal military at Tundikhel-a fenced parade ground located in the heart of Kathmandu city. (Photo by Navesh Chitrakar/Reuters)

A participant drives his 1960 Porsche 356 B as he arrives in Mexico City to take part in the Carrera Panamericana (“Pan-American Road Race”) in Mexico October 15, 2016. Participants from various countries take part in the seven-day race in Mexico. (Photo by Henry Romero/Reuters)