Bosnians people walk during heavy smog in northern town of Tuzla, on Monday. Medical officials urged people not to spend too much time outdoors, with particular warnings issued to those suffering from respiratory or heart diseases. THE ASSOCIATED PRESS

A supporter of indigenous people is carried away by police officers during a protest at the old Indian Museum, next to the Maracana Stadium, in Rio de Janeiro, Monday. THE ASSOCIATED PRESS

People stroll Monday between the columns of Rome’s Pantheon, which was built under Roman Emperor Augustus between 27-25 BC to celebrate all Gods worshipped in ancient Rome. THE ASSOCIATED PRESS

A Myanmar police officer tries to put out fires set in the street Monday near Thuwunna stadium after the Indonesian soccer team defeated Myanmar during the 27th SEA Games in Yangon, Myanmar. THE ASSOCIATED PRESS

First lady Michelle Obama, accompanied by Santa Claus, reads a holiday story Monday to children at Children’s National Health System in Washington. THE ASSOCIATED PRESS

A U.S. Navy MH-60 helicopter lies on the ground Monday after making an emergency landing in Miura city, near Tokyo. AP photo

A Yemeni child receives a polio vaccination during a polio immunization campaign at a health center in Sanaa, Yemen. AP photo

The full moon shines onto a field with pylons in Frankfurt, central Germany. AP photo

A man walks by an electronic stock board of a securities firm in Tokyo. Most Asian markets fell Monday as the Nikkei 225 index slipped 1.6 percent to 15,152.91. AP photo