Sculptures are showed at San Agustin Archaeological Park, in Huila, Colombia, on March 31, 2013. San Agustin Archaeological Park is located in the southern Colombian Department of Huila, which will celebrate its centenary and being denominated as World Cultural Heritage in 1995 by United Nations Educational, Scientific and Cultural Organization (UNESCO) this year. (Xinhua/Jhon Paz)

A tourist visits the San Agustin Archaeological Park in Huila, Colombia, on March 31, 2013. San Agustin Archaeological Park is located in the southern Colombian Department of Huila, which will celebrate its centenary and being denominated as World Cultural Heritage in 1995 by United Nations Educational, Scientific and Cultural Organization (UNESCO) this year. (Xinhua/Jhon Paz)

People visit the San Agustin Archaeological Park in Huila, Colombia, on March 31, 2013. San Agustin Archaeological Park is located in the southern Colombian Department of Huila, which will celebrate its centenary and being denominated as World Cultural Heritage in 1995 by United Nations Educational, Scientific and Cultural Organization (UNESCO) this year. (Xinhua/Jhon Paz)

Photo taken on March 31, 2013, shows the San Agustin town in Huila, Colombia. San Agustin Archaeological Park is located in the southern Colombian Department of Huila, which will celebrate its centenary and being denominated as World Cultural Heritage in 1995 by United Nations Educational, Scientific and Cultural Organization (UNESCO) this year. (Xinhua/Jhon Paz)

People visit the San Agustin Archaeological Park, in Huila, Colombia, on March 31, 2013. San Agustin Archaeological Park is located in the southern Colombian Department of Huila, which will celebrate its centenary and being denominated as World Cultural Heritage in 1995 by United Nations Educational, Scientific and Cultural Organization (UNESCO) this year. (Xinhua/Jhon Paz)

People observe the San Agustin town in Huila, Colombia, on March 31, 2013. San Agustin Archaeological Park is located in the southern Colombian Department of Huila, which will celebrate its centenary and being denominated as World Cultural Heritage in 1995 by United Nations Educational, Scientific and Cultural Organization (UNESCO) this year. (Xinhua/Jhon Paz)

An sculpture is showed at San Agustin Archaeological Park in Huila, Colombia, on March 31, 2013. San Agustin Archaeological Park is located in the southern Colombian Department of Huila, which will celebrate its centenary and being denominated as World Cultural Heritage in 1995 by United Nations Educational, Scientific and Cultural Organization (UNESCO) this year. (Xinhua/Jhon Paz)