A nice UNESCO cover from United Nations (Geneva Office), depicting a complete set issued in 2007 with 6 World Heritage Sites in South America: Rapa Nui National Park in Easter Island (Chile), Tiwanaku: Spiritual and Political Centre of the Tiwanaku Culture (Bolivia), Iguaçu National Park (Brazil), Historic Sanctuary of Macchu Picchu (Peru), Cueva de Las Manos, Río Pinturas (Argentina) and Galápagos Islands (Ecuador).
