U.S. Composer Joseph Bertolozzi (L) makes sounds by striking the surface of the Eiffel Tower with a drumstick for a musical project called 'Tower music' in Paris June 7, 2013. Bertolozzi and his team collect sounds with a microphone to use them as samples for their composition project and with the hope of a live concert performance to celebrate the 125th anniversary of the Eiffel Tower in 2014. At R, Paul Kozel, a sound engineer. REUTERS/Benoit Tessier (FRANCE - Tags: SOCIETY)