October 16, 2013

9 Acrobats perform at the end of Pope Francis general audience in Saint Peter's square at the Vatican.

Finnish President Sauli Niinistoe (2nd L) and his wife Jenni Haukio (L) look at two men blowing into Swiss horns during a visit to a pedagogic farm in Seegraben, Switzerland.

10 Finnish President Sauli Niinistoe (2nd L) and his wife Jenni Haukio (L) look at two men blowing into Swiss horns during a visit to a pedagogic farm in Seegraben, Switzerland.

A burst of fireworks go off near members of the so-called Black Bloc anarchist group during clashes with police after a march of striking teachers took place to mark National Teachers Day, in Rio de Janeiro, Brazil, Oct. 15, 2013.

11 A burst of fireworks go off near members of the so-called Black Bloc anarchist group during clashes with police after a march of striking teachers took place to mark National Teachers Day, in Rio de Janeiro, Brazil, Oct. 15, 2013.

An object, which is a piece of a meteorite according to local authorities and scientists, is on display on the bank of the Chebarkul Lake, after it was lifted from the bottom of the lake, some 80 kilometers (50 miles) west of Chelyabinsk, Russia.

12 An object, which is a piece of a meteorite according to local authorities and scientists, is on display on the bank of the Chebarkul Lake, after it was lifted from the bottom of the lake, some 80 kilometers (50 miles) west of Chelyabinsk, Russia.