Musicians prepare to perform for tourists at Taquile island on Lake Titicaca June 24, 2009. Lake Titicaca on the border of Peru and Bolivia is the world's highest navigable lake at over 4,000 meters above sea level. Is top on the second phase of an online public poll for the globe's "New 7 Wonders of Nature" campaign. Picture taken June 24, 2009. REUTERS/Mariana Bazo (PERU ENVIRONMENT SOCIETY TRAVEL)