ພາບເດັ່ນ ປະຈໍາ ວັນທີ 25 ພະຈິກ 2013

Several images taken by the Hubble Space Telescope in order to help identify key stellar distance markers known as Cepheid variable stars (Hubble Legacy Archive, ESA, NASA)

Indian laborers carry cow dung cakes over their heads in Allahabad. Dried cow dung is used as a fuel for cooking in rural and agricultural areas of India.

Honor guard soldiers position a red carpet before the arrival of China's Premier Li Keqiang at the Henri Coanda airport, outside Bucharest, Romania.

Residents hide near a burning car during clashes between members of Islamist militant group Ansar al-Sharia and a Libyan army special forces unit in the Ras Obeida area in Benghazi.

A ground crew member directs an Israeli F-16 fighter jet after it landed at Ovda airbase, some 40 km (25 miles) north of Eilat, during the Blue Flag drill. The Blue Flag drill is a two-week multilateral air force drill with air forces of Israel, the United States, Greece and Italy.

A Turkish woman feeds pigeons during a rainy day at Besiktas in Istanbul.

The art work titled "Yellow," which is made out of Lego bricks, is seen next to another Lego art work titled "Skulls" (L) during "The Art of the Brick" exhibition at the Brussels Stock Exchange, Belgium.

An aerial view of the downtown Chicago, Illinois skyline, on the night of Nov. 24, 2013

Mount Sinabung spews volcanic ash into the air as seen from Tiga Pancur, North Sumatra, Indonesia, Nov. 24, 2013.

Musician Taylor Swift poses backstage with her awards for artist of the year, favorite country artist - female, favorite country album for "Red" and favorite female pop/rock at the 41st American Music Awards in Los Angeles, California, Nov. 24, 2013.

Lady Gaga arrives for the 2013 American Music Awards at the Nokia Theater L.A. Live in downtown Los Angeles, California, Nov. 24, 2013.

A runner carries the Sochi 2014 Winter Olympic torch along a bridge across Yenisei River near the Krasnoyarsk hydro electric power station near the town of Divnogorsk outside Krasnoyarsk, Russia.