Students of an aerospace school launch a self-made rocket model near a monument of Cosmos-3 rocket carrier which is 32.4 metres (105 feet) tall in the centre of Russia's Siberian city of Krasnoyarsk April 11, 2010. Students marked the upcoming Day of Aviation and Cosmonautics which is celebrated on April 12. REUTERS/Ilya Naymushin (RUSSIA - Tags: TRANSPORT EDUCATION SOCIETY SCI TECH)