A worker is seen inside the Cuncas II tunnel near the city of Mauriti in Ceara state, Brazil on Jan. 28. The tunnel will link canals being built to divert water from the Sao Francisco river for use in four drought-plagued states, a project that is three years behind schedule and has doubled in cost from the original estimate of $3.4 billion.
A herder and his cattle pass in front of the ancient pagodas at Bagan, Myanmar on Feb. 3.
A lone highway sign stands above the closed Richardson Highway, near Valdez, Alaska, on Jan. 25. Two major avalanches and some smaller ones dumped snow along 27 miles of the Richardson Highway on Friday, closing the only road access to Valdez, the city at the end of the trans-Alaska pipeline.
A Northern Cardinal sits on a tree branch in falling snow in Nyack, N.Y. on Jan. 21. A fast moving winter storm dumped as much as a foot of snow on the northeastern United States on Tuesday.
A Harlem school teacher attempts to catch snowflakes while leading her students to a library, on Jan. 10 in New York City.
Frozen mist from Niagara Falls coats the landscape around Prospect Point at Niagara Falls State Park in New York. The Polar Vortex brought high winds and frigid temperatures to the area Tuesday.
A boy holds his baby sister who was saved from under rubble, after what activists say was an airstrike by forces loyal to Syrian President Bashar al-Assad in Masaken Hanano in Aleppo on Feb. 14.
Sweetwater police officer Amauris Bastidas helps rescue a five-month-old baby boy, Sebastian de la Cruz, who had stopped breathing. The baby's aunt, Pamela Rauseo, center, performed CPR after pulling over her SUV on the side of the road along the west bound lane on Florida state road 836 around 2:30pm on Feb. 20. Lucila Godoy, right, stopped her car to assist in the rescue. Sebastian was taken to a hospital, where he was listed as in stable condition.
A ship struggles against a storm as it tries to leave the coast of A Coruna, northwestern Spain, on March 3.
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.
U.S. Army Staff Sergeant Christopher Schneider, uses a lint roller on the uniform of U.S. Army Staff Sgt. (Ret.) Melvin Morris, a Vietnam War veteran, as they prepare to go to the White House on March 18, in Washington, D.C. Morris and two others were the only living soldiers who received a Medal of Honor along with 21 others who were honored posthumously at the White House by President Barack Obama on Tuesday. Following a congressionally mandated review, the 24 Army veterans were found to have been wrongly denied the award due to prejudice. The veterans received the Medal of Honor for action during major combat operations in World War II, the Korean War and the Vietnam War.