The Enigma coding machine used by the Germans in WWII on display at Bletchley Park National Code Centre, November 25, 2004 in Bletchley, England. (Photo by Ian Waldie/Getty Images)
Bullfighter Julian Lopez “El Juli” of Spain performs during the second bullfight of the 2011 season at the Monumental bullring on July 10, 2011 in Barcelona, Spain. This will be the last year for Bull fighting at the Monumental bullring as the parliament of Catalonia has voted to ban bullfighting as of January 1, 2012. (Photo by David Ramos/Getty Images)
A student runs for cover as riot police clash with students during a demonstration on February 29, 2012 in Barcelona, Spain. Student associations have called upon 120,000 students to strike in protest against education cuts recently announced by the Catalan government. (Photo by David Ramos/Getty Images)
Park Güell is a garden complex with architectural elements situated on the hill of El Carmel in the Gràcia district of Barcelona, Catalonia, Spain. It was designed by the Catalan architect Antoni Gaudí and built in the years 1900 to 1914. It has an extension of 17.18 ha (0.1718 km²), which makes it one of the largest architectural works in south Europe. It is part of the UNESCO World Heritage Site "Works of Antoni Gaudí".
Passengers check their mobile devices as a bin is full of garbage during a protest by the cleaning staff at Barcelona's airport, Spain, December 1, 2016. (Photo by Albert Gea/Reuters)
Patrick Hausding and Stephan Feck of Germany compete in the men's 3-meter synchro springboard preliminary competition at the FINA Swimming World Championships in Barcelona, Spain, Tuesday, July 23, 2013. (Photo by David J. Phillip/AP Photo)
A competitor dressed up as Santa Claus jumps into the sea during the 102nd Barcelona Traditional Christmas Swimming Cup at the Old Harbour of Barcelona on December 25, 2011 in Barcelona, Spain. (Photo by David Ramos/Getty Images)