The Week in Pictures: July 16 - 23 - NBC News.com

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1. Participants of the 2015 World Congress of Santa Clauses go for a swim at Bellevue beach north of Copenhagen, Denmark on July 21, 2015.
Erik Refner / AFP - Getty Images





2. Players battle for the puck as a referee, above, watches during the underwater hockey national championships in Santa Clarita, Calif. on June 26.

This photo was released by the Associated Press on July 20.
Mark J. Terrill / AP





3. A homeless person sleeps back-dropped by wallpaper of New York City on the windows of a casino in Bucharest, Romania, on July 21. Police in Romania have searched the capital's sewers in an anti-drug raid and detained dozens of people, mostly homeless, including the suspected ringleader, for questioning on suspicion of trafficking.
Vadim Ghirda / AP





4. Smoke billows over Athens on July 17 as firefighters battled a brush fire in the northeastern part of the city and another wildfire in the southern Pelopponese peninsula that prompted the evacuation of five villages. More than 120 firefighters were dispatched to the area, supported by 50 fire engines, four aircraft and two helicopters, officials said.
Andreas Solaro / AFP - Getty Images





5. A tear rolls down the cheek of Sgt. Benjamin Tranter, a former classmate of Lance Cpl. Squire Wells, known as "Skip," seen in photo at right, as he attends a memorial service for Wells at Sprayberry High School, which they both attended, on July 21, in Marietta, Ga. Crowds gathered at the suburban Atlanta high school to remember the Marine who was fatally shot in an attack on military facilities in Chattanooga, Tenn.
David Goldman / AP





6. Migrants try to board a train to Serbia in the town of Gevgelija, on the Macedonian-Greek border, on July 21. The migrants, among them children and the elderly, were trying to cross Macedonia and Serbia and enter the EU via Hungary. Hungarian authorities started to build a fence along the country's border this week to halt the migrant influx.
Robert Atanasovski / AFP - Getty Images





7. Australian surfer Mick Fanning is attacked by a shark during the Final of the JBay surf Open on July 19 in Jeffreys Bay, South Africa. Fanning, 34, was competing in the final heat of a world tour event when a looming black fin appeared in the water behind him. He fought back against the shark, escaping from the terrifying scene without injury.
World Surf League via AFP - Getty Images





8. Cyclists hang on to the back of a truck outside Bujumbura on July 19. Each day scores of cyclists make the 28-mile downhill journey at breakneck speed from Bugarama to sell bananas, often hanging from the back of trucks for the return uphill trip.
Mike Hutchings / Reuters





9. Two participants wearing traditional dress attend the opening of the Consciousness Summit in Paris on July 21.
Etienne Laurent/pool / EPA





10. A couple reacts after being hit with tear gas during a demonstration on July 20 in Istanbul. Protesters blamed the government for a suspected ISIS suicide bombing in southeastern Turkey that killed at least 31 people.
Yasin Akgul / AFP - Getty Images





11. A wounded woman, left, holds the hand of another woman who was killed after an explosion rocked the Turkish city of Suruc near the Syrian border on July 20. The midday explosion took place at a cultural center in Suruc as a political group, the Federation of Socialist Youths, was wrapping up a news conference on plans to rebuild the Syrian city of Kobani, a witness said.
Zeki Yavuzak / AP





12. A seal cools off at Belgrade Zoo during a heat wave on July 21.
Andrej Isakovic / AFP - Getty Images





13. An Indian Muslim girl offers prayers with her family during Eid al-Fitr in the old quarters of New Delhi on July 18. Eid al-Fitr marks the end of the Muslim holy month of Ramadan.
Chandan Khanna / AFP - Getty Images





14. Russia-backed separatists guard the crash site of the Malaysian Airlines MH17 plane near the village of Hrabove, eastern Ukraine, on July 16. The fighters said they arrived to protect the media and made sure the MH17 crash site was cleared of ammunition and mines. A year since a Malaysia Airlines Boeing 777 was blown out of the sky over war-ravaged eastern Ukraine, killing 298 people, there has been little official word of progress in determining what brought down Flight MH17.
Mstyslav Chernov / AP





15. The mother of a victim cries on his coffin during a funeral in Gaziantep, Turkey, on July 21, the day after a suicide bombing in Suruc.
Bulent Kilic / AFP - Getty Images





16. Syrian refugee girl, Zubaida Faisal, 10, skips a rope while she and other children play near their tents at an informal tented settlement near the Syrian border on the outskirts of Mafraq, Jordan, on July 19.
Muhammed Muheisen / AP





17. The bright line of the Milky Way is seen above old oaks at the Rogalin landscape Park in Rogalin village, near Poznan, Poland on the night of July 16.
Lukasz Ogrodowczyk / EPA