A Hungarian soldier wearing chemical protection gear walks through a street flooded by toxic sludge in the town of Devecser, Hungary on Tuesday, Oct. 5, 2010. Approximately 1 million cubic meters of liquid waste spilled from a nearby alumina plant after a dam burst. Ten residents lost their lives in the caustic flood, the managing director of the operating company was later arrested and charged with criminal negligence.

An Italian soldier of NATO’s International Security Assistance Force (ISAF) stands guard as an Afghan boy aims a toy pistol inside Herat’s prison, in western Afghanistan on September 14, 2010.

An Israeli motorist runs down a masked Palestinian youth who was standing among a group of youngsters throwing stones at Israeli cars on October 8, 2010 in the mostly Arab east Jerusalem neighborhood of Silwan

A US army soldier with the 101st Airborne Division Alpha Battery 1-320th fires an AT-4 as Combat Outpost Nolen on the outskirts of the village of Jellawar in the Arghandab Valley came under Taliban attack on September 11, 2010.

Police officers in riot wear contain student protesters on Westminster Bridge during a large protest over a proposal that would triple tuition fees on December 9, 2010 in London, England. The proposal was later passed.

The final part of the Boston Globe’s Year in pictures.

Another stunning 40-pic mega gallery here.

Previously: 2010: What Exactly Happened (Part Two)

After months of heavy rainfall caused some of the worst floods Europe has seen in decades, farmers help a horse to jump into an amphibious vehicle in flooded Juliszew village in central Poland at Wisla river on May 24, 2010.

Pilot Capt. Brian Bews parachutes to safety just as his CF-18 fighter jet plummets to the ground during a practice flight at the Lethbridge County Airport for the weekend airshow in Lethbridge, Alberta, Canada on July 23, 2010.

In seawater covered by a thick layer of spilled oil, two Chinese firefighters, Zheng Zhanhong (center) and Han Xiaoxiong (top right) attempt to rescue their fellow firefighter Zhang Liang (only his hand visible) from drowning beneath the oil slick during clean-up operations at the port of Dalian, China on July 20, 2010. Zhang Liang was unable to resurface, and drowned.

Pakistani villagers raise hands to get food dropped from an army helicopter at a flood-hit area of Kot Addu, in central Pakistan on Saturday, Aug. 7, 2010

A tremendous sinkhole caused by the heavy rains of Tropical Storm Agatha in Guatemala City was estimated to be 30 meters wide and over 60 meters deep. As the sinkhole formed, it swallowed a clothing factory about three miles from the site of a similar sinkhole three years earlier. The clothing factory had closed only an hour before it plunged into the Earth.

Part two of the Boston Globe’s continuing homage to the year in pictures.

Cannot be unseen.

Incredible 40-pic mega gallery here.

Previously: 2010: What Exactly Happened?