Even though some aspects of its history remain unclear, Machu Picchu is most commonly considered an Inca citadel in operation during the 15th and 16th Century, and has evolved to a major tourist destination over the last decades. Also the llamas in the foreground of the scene are most likely there as a tourist attraction despite, in general, they represent an important livestock in the region. The prominent mountain in the right central background is Huayna Picchu (2693 m).