April 7, 2016

Russian Orthodox Church Patriarch Kirill, center, releases birds at the Annunciation Cathedral in Moscow's Kremlin to mark the Russian Orthodox holiday of the Annunciation.

A Georgian Orthodox nun attends a religious service marking the Annunciation at the Svetitskhoveli Cathedral in Mtskheta, near Tbilisi.

Former Thai Prime Minister Yingluck Shinawatra weeps as she takes part in Songkran festival celebration with opposition Puea Thai party members at the party headquarters in Bangkok.

U.S. Democratic presidential candidate Hillary Clinton (C) rides the New York City Subway with Bronx Borough President Ruben Diaz (L).

Migrants and refugees clash with riot police during a protest to call for the reopening of the borders at their makeshift camp in the northern border village of Idomeni, Greece.

A member of a Chinese honor guard holds a red flag while losing his balance due to strong winds as he waits for the arrival of Sri Lanka's Prime Minister Ranil Wickremesinghe during a welcome ceremony outside the Great Hall of the People in Beijing.

A view of the old part of Tbilisi, Georgia, on a bank of the Kura River

Ethnic Armenian soldiers stand next to a cannon at artillery positions near the Nagorno-Karabakh's town of Martuni.

This photo provided by the San Bernardino County Fire Department shows a helicopter making a drop on a wildfire that started in western Arizona and jumped the Colorado River into California, near Needles, California, April 6, 2016.

Seven-month old female giant panda cub Nuan Nuan plays inside the panda enclosure at the National Zoo in Kuala Lumpur, Malaysia. The cub is the offspring of Xing Xing and Liang Liang, two giant pandas on loan to Malaysia from China since 2014.

A model displays 'The Unique Pink' - the largest Fancy Vivid Pink pear-shaped diamond ever offered at auction, at Sotheby's auction rooms in London.

Spanish banderillero Jose Maria Fernandez "Alcalareno" is tackled by a bull during a bullfight at the Maestranza bullring in the Andalusian capital of Seville, southern Spain, April 6, 2016.

Students from a martial arts school attend a training session as they perform Shaolin Kung Fu and other practices in Dengfeng, Henan Province, China.

Cincinnati Reds' Tucker Barnhart scores on a double by Reds' Scott Schebler, as Philadelphia Phillies catcher Carlos Ruiz attempts the tag during the third inning of a baseball game, in Cincinnati, Ohio.

ក្រុម​យោធា​កំពុង​ទាញ​ខ្សែ​កាប​ចេញ​ពី​ទីតាំង​រូង​ Tham Luang នៅ​ពេល​ក្មេងៗ​នៃ​ក្រុម​បាល់​ទាត់​មួយ​ក្រុម​និង​គ្រូ​បង្វឹក​របស់​គេ​ នៅ​ជាប់​ខាង​ក្នុង​រូង​នេះ​ជាមួយ​អ្នក​ជួយសង្គ្រោះ​ផ្សេង​ទៀត នៅ​ខេត្ត​ឈាងរ៉ៃ ភាគ​ខាង​កើត​ប្រទេស​ថៃ។

This computer-simulated image shows a supermassive black hole at the core of a galaxy. The black region in the center represents the black hole’s event horizon, where no light can escape the massive object’s gravitational grip. Light from background stars skims by the black hole. (Credits: ESA, and D. Coe, J. Anderson, and R. van der Marel (STScI)

An Astana team cyclist trains ahead of Sunday's 114th edition of the Paris-Roubaix cycling classic, in Haveluy, northern France.