PALMA DE MALLORCA, SPAIN - AUGUST 11:  King Felipe VI of Spain, Queen Letizia of Spain and their daugthers Princess Leonor of Spain (R) and Princess Sofia of Spain (L) visit "Sierra de Tramuntana" (Tramuntana Mountains) declared a World Heritage Site by UNESCO, on August 11, 2014 in Palma de Mallorca, Spain.  (Photo by Carlos R. Alvarez/WireImage)