Security and rescue workers work at the site of an accident after a small plane collapsed in Valle de las Monjas, in Mexico City, capital of Mexico, on Nov. 22, 2012. Elias Moreno Brizuela, Secretary of Civil Protection of the Federal District, said two people were injured during the accident and were taken to the Red Cross to receive treatment, according to information of the local press. (Xinhua/Str)

Security and rescue workers work at the site of an accident after a small plane collapsed in Valle de las Monjas, in Mexico City, capital of Mexico, on Nov. 22, 2012. Elias Moreno Brizuela, Secretary of Civil Protection of the Federal District, said two people were injured during the accident and were taken to the Red Cross to receive treatment, according to information of the local press. (Xinhua/Str)

Security and rescue workers work at the site of an accident after a small plane collapsed in Valle de las Monjas, in Mexico City, capital of Mexico, on Nov. 22, 2012. Elias Moreno Brizuela, Secretary of Civil Protection of the Federal District, said two people were injured during the accident and were taken to the Red Cross to receive treatment, according to information of the local press. (Xinhua/Str)

Security and rescue workers work at the site of an accident after a small plane collapsed in Valle de las Monjas, in Mexico City, capital of Mexico, on Nov. 22, 2012. Elias Moreno Brizuela, Secretary of Civil Protection of the Federal District, said two people were injured during the accident and were taken to the Red Cross to receive treatment, according to information of the local press. (Xinhua/Str)

Security and rescue workers work at the site of an accident after a small plane collapsed in Valle de las Monjas, in Mexico City, capital of Mexico, on Nov. 22, 2012. Elias Moreno Brizuela, Secretary of Civil Protection of the Federal District, said two people were injured during the accident and were taken to the Red Cross to receive treatment, according to information of the local press. (Xinhua/Str)