Clint Bowyer flips airborne over David Ragan's car during race two of the Budweiser Duel at Daytona International SpeedwayReutersGuo, a farmer in his 50s, watches as his grandson gets into his homemade scale replica of a Lamborghini in Zhengzhou, Henan province, China. Guo spent six months making the model out of scrapped metal and parts from electric bicycles. It has five sets of batteries and can travel as far as 60km (37 miles) when fully chargedReutersAn aerial view of the Ivanpah Solar Electric Generating System in the Mojave Desert near Primm, Nevada. The largest solar thermal power-tower system in the world uses 347,000 computer-controlled mirrors to focus sunlight onto boilers on top of three 459-foot towersGettyFans of Egypt's Al-Ahly celebrate after their team scored against Tunisia's CS Sfaxien during their African Super Cup match at Cairo StadiumReutersFans of Egypt's Al-Ahly, known as Ultras, display a giant figure of former player Mohamed Abo Trika during their team's African Super Cup match against Tunisia's CS Sfaxien in CairoReutersRussia's Yulia Lipnitskaya falls as she competes during the figure skating women's free skating programmeReutersA fan of the US gestures ahead of their women's ice hockey gold medal game against Canada at the Sochi 2014 Winter OlympicsReutersA fan wears sunglasses in the shape of the Olympic rings during the women's ice hockey bronze medal game between Sweden and SwitzerlandReutersRussia's Elizavetta Chesnokova jokes during the women's freestyle skiing halfpipe qualification round at the 2014 Sochi Winter Olympic GamesReutersMembers of protest group Pussy Riot speak during a press conference after being arrested in Sochi, RussiaGettyProtesters hold portraits of political figures who were known smokers – Winston Churchill, Mao Tse-tung and Franklin Roosevelt – during a rally against a potential tax increase on cigarettes in Hong KongReutersCover models Chrissy Teigen, Nina Agdal, and Lily Aldridge attend a party hosted by Sports Illustrated at Fontainebleau MiamiGettyOwner Dora Kettinger plays with her dogs after an examination in a neurology clinic in Budapest. Hungarian researchers conducted the first comparative dog and human brain study by training dogs to lie motionless in MRI machinesReutersKyle Powers of Liberty Teller helps Jordan Persson purchase Bitcoin from a newly installed Bitcoin ATM at South Station in Boston, MassachusettsGetty
