Helicópteros-da-polícia-alemã-se-chocam-em-Berlim-9.jpg

A policeman walks on the accident site where two helicopters crashed near the Olympic stadium in Berlin on March 21, 2103. At least one police officer died after two helicopters collided at Berlin’s iconic Olympic Stadium during the security exercise for operations against football hooligans, authorities said. AFP PHOTO / JOHANNES EISELE (Photo credit should read JOHANNES EISELE/AFP/Getty Images)