The Week in Pictures: March 6 - 13

A harrowing scene in Harlem, Caracas confrontations, dog days return to SoCal, Iditarod inspires and #Syriaschildren stay strong.

Heavy smoke pours from the debris of a collapsed building in the Harlem neighborhood of Manhattan on March 12, 2014 in New York City. Search crews picked through still-smoldering rubble on Thursday, looking for survivors of a gas explosion that caused the collapse of two New York apartment buildings a day earlier, killing seven people and injuring about 60.

Andrew Burton / Getty Images North America

A young girl is wounded during clashes between riot-police and prostestors in Istanbul on March 12 after the funeral of Berkin Elvan, the 15-year-old boy who died from injuries suffered during last year's anti-government protests. Riot police fired tear gas and water cannons at protestors in the capital Ankara, while in Istbanbul, crowds shouting anti-government slogans lit a huge fire as they made their way to a cemetery for the burial of Elvan.

Bulent Kilic / AFP

Anti-government protesters stand over a bridge as police line up on the street below during a march in Caracas, Venezuela on March 8. The protesters are demanding political change and an end to high inflation and crime rates, as well as shortages of basic goods such as milk, flour and cooking oil in stores. The death toll from a month of violent protests has risen to 28.

Tomas Bravo / X01760

Rick Lawrence from Newburgh, N.Y. steers the Hudson River Ice Yacht Club's "Jack Frost," a more than 100-year-old ice boat, on the frozen Hudson River near Astor Point in Barrytown, N.Y., on March 7. Ice sailors are enjoying one of the best and longest seasons of sailing in recent memory on the upper Hudson River as arctic temperatures for much of the winter have built deep ice packs in the Northeast, allowing sailors to launch their heavy antique wooden boats.

Mike Segar / X90033

A woman prays in the snow for the deceased of the March 11, 2011 earthquake and tsunami at the location of a photo studio where she had been employed at the time, in Rikuzentakata, Iwate Prefecture, on March 11, 2014. Tuesday marked the third year anniversary of the natural disasters that killed thousands and set off a nuclear crisis.

Kyodo / X01481

A mother holding her child cries at her burnt home in a Kathmandu slum in Nepal, on March 9. At least 50 huts were burned and more than 30 families lost their homes after a massive fire ravaged the Bhimsengola slum, a shanty town inhabited mainly by Indian immigrants.

Narendra Shrestha / EPA

Dogs and their owners play under sunny skies at Ocean Beach Dog Beach on March 12, in San Diego. Southern California's weather returned to warm and dry conditions on Wednesday, a week after one of the few significant storms of the winter.

Gregory Bull / AP

Olympic and Paralympic track star Oscar Pistorius reacts during his trial for the murder of his girlfriend Reeva Steenkamp at the North Gauteng High Court in Pretoria, on March 10. An overcome Pistorius vomited in court on Monday as he listened to harrowing expert testimony about Steenkamp's autopsy.

Bongiwe Mchunu / AFP

Like a frozen waterfall, a wall of ice more than 40-feet-high stretches down to the high-tide line on Otter Cliffs overlooking the Atlantic Ocean, in this time-exposure made on March 6, at Acadia National Park in Maine.

Robert F. Bukaty / AP

Afghan men attend the burial of Afghanistan's influential Vice President Mohammad Qasim Fahim during his funeral procession in Kabul, Afghanistan, on March 11. Fahim, a leading commander in the alliance that fought the Taliban who was later accused with other warlords of targeting civilian areas during the country's civil war, died on Sunday at the age of 57.

Massoud Hossaini / AP

Firefighters sort through rubble after two Manhattan apartment buildings collapsed following a gas-leak triggered explosion in New York City on March 12.

A doctor conducts a thyroid examination on a five-year-old girl alongside her older brother and a nurse at a clinic in a temporary housing complex in Nihonmatsu, Fukushima Prefecture, Japan on Feb. 27.

This image was received by NBC News on March 9.

Toru Hanai / X90040

Three young Ukrainians take a break in front of a luxury fashion shop near Independence Square in Kiev, Ukraine, on March 11. The U.S. and European Union have threatened sanctions against Moscow over the military standoff in the strategic Crimean peninsula, and are urging Russia to pull back its forces in the region and allow in international observers and human rights monitors.

Robert Ghement / EPA

Afghan women boxers practice at the Kabul stadium boxing club on March 5. A few yellow lamps light up the cavernous, sparsely furnished room where Afghanistan’s young female boxers train, hoping to become good enough to compete in the 2016 Olympics.

This image was received by NBC News on March 11.

Massoud Hossaini / AP

A relative of a passenger onboard Malaysia Airlines flight MH370 cries as she talks on her mobile phone at the Beijing Capital International Airport on March 8. The Malaysia Airlines flight carrying 227 passengers and 12 crew lost contact with air traffic controllers early on Saturday en route from Kuala Lumpur to Beijing. The jet has not yet been located.

Kim Kyung-hoon / X01368

Gamal, 5, walks in the Fayda Camp on March 9 where he and his family fled two years ago from their neighborhood in Idlib, Syria, which was under frequent attack. Each time bombs dropped nearby, Gamal cried, and he still frequently wakes up in the middle of the night shouting. His father Khaled said all he wants for Gamal is happiness and a good life.

Jerome Delay / AP

Iditarod musher Jeff King, from Denali, Alaska, mushes between the checkpoints of White Mountain and Safety, the last checkpoint before the finish line in Nome. King was the first musher to leave the White Mountain checkpoint during the 2014 Iditarod Trail Sled Dog Race on March 10.

Bob Hallinen / Anchorage Daily News