Galería: ¿qué tanto sabe de los grafitis en Bogotá?

Revelers of the Grande Rio samba school perform during the first day of carnival parade at the Sambodrome in Rio de Janeiro, Brazil on February 16, 2015. AFP PHOTO/YASUYOSHI CHIBA

Swiss pilot Bertrand Piccard (L) and his compatriot pilot Andre Borschberg pose for a picture before flying with the Solar Impulse 2 from al-Bateen airport in Abu Dhabi as it heads to Muscat on March 9, 2015, in the first attempt to fly around the world in a plane using solar energy. The takeoff of Solar Impulse 2, which was delayed due to high winds, would cap 13 years of research and testing by Borschberg and Piccard. AFP PHOTO / MARWAN NAAMANI

TOPSHOTS The Solar Impulse 2, takes off from al-Bateen airport in Abu Dhabi as it heads to Muscat, on March 9, 2015, in the first attempt to fly around the world in a plane using solar energy. The first attempt to fly around the world in a plane using only solar power launched on March 9 in Abu Dhabi in a landmark journey aimed at promoting green energy. AFP PHOTO / MARWAN NAAMANI