In this photograph taken by Bolivian glaciologist Edson Ramirez, an object crosses the sky as it appears to fall leaving a trail over Andean mountain peaks Huayna Potosi and Tuni Condoriri, where Ramirez was studying glaciers, August 16, 2011. According to planetary expert Rubber Munoz Sanchez of the Max Schreier Planetarium in La Paz, the object was a meteor of up to 50 cm (20 inches) in diameter, burning due to friction with the atmosphere. Picture taken August 16, 2011.[Photo/Agencies]