A woman takes a selfie in front of a multi coloured sheep installation displayed in a shopping mall for the Chinese New Year celebrations in Hong Kong on February 18, 2015. The Chinese Lunar New Year of the Sheep begins on February 19. AFP PHOTO / Philippe Lopez (Photo credit should read PHILIPPE LOPEZ/AFP/Getty Images)
NEW YORK, NY - FEBRUARY 18: Cardinal Timothy Dolan leads Mass on Ash Wednesday at St. Patrick's Catherdral on February 18, 2015 in New York City. Ash Wednesday is the holy day that marks the beginning of Lent, a 40-day period in the Christian calendar that leads up to Easter. (Photo by Andrew Burton/Getty Images)
A girl wearing a traditional hanbok dress stands at a military fence facing towards North Korea at Imjingak park, south of the Military Demarcation Line and Demilitarized Zone (DMZ) separating North and South Korea, on February 19, 2015. South Korean families separated during the Korean war often visit the DMZ to offer prayers to their relatives in the North, on the occasion of the Lunar New Year. AFP PHOTO / Ed Jones (Photo credit should read ED JONES/AFP/Getty Images)
LONDON, ENGLAND - FEBRUARY 19: 'Alex Chinneck for Vauxhall Motors: Pick yourself up and pull yourself together' for the launch of the Vauxhall Corsa at Southbank Centre on February 19, 2015 in London, England. (Photo by Tristan Fewings/Getty Images for Vauxhall Motors)
A carabinieri gives instructions to migrants before they board a military plane to be transferred on February 17, 2015 at the Lampedusa airport. Italian authorities on the tiny island of Lampedusa were attempting to process more than 1,200 newly-arrived migrants in a reception centre designed for a third of that number. The mainly African migrants were among some 3,800 would-be immigrants to Europe rescued in the Mediterranean since Friday, according to figures compiled by the International Organisation for Migration (IOM). AFP PHOTO / ALBERTO PIZZOLI (Photo credit should read ALBERTO PIZZOLI/AFP/Getty Images)
Snow covered ice is seen on the Hudson River outside of Pier 92 and 94 in New York City on February 17, 2015. AFP PHOTO / TIMOTHY A. CLARY (Photo credit should read TIMOTHY A. CLARY/AFP/Getty Images)
NEW YORK, NY - FEBRUARY 16: A woman walks through steam on a Manhattan street during frigidly cold weather on February 16, 2015 in New York City. With temperatures in the teens, New York City is under a Winter Weather Advisory as more snow is forecast for the region tonight and tomorrow. (Photo by Spencer Platt/Getty Images)
NEW YORK, NY - FEBRUARY 19: A man takes a nap on the Staten Island Ferry on a frigidly cold day as it heads towards Manhattan on February 19, 2015 in New York City. New York, and much of the East Coast, has been experiencing unusually cold weather with temperatures in the teens and the wind chill factor making it feel below zero. (Photo by Spencer Platt/Getty Images)
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It's finally the weekend, so take some time to look back at the best photos from some of the past week's biggest headlines.
The American news this week was dominated once again by stories about the weather, with another round of snow and frigid temperatures battering New England, New York, and the midwest. Around the world, millions celebrated the Chinese New Year, and other events such as Shrovetide in Bulgaria and the "Mud Block" carnival in Brazil.
Click through the slideshow above for photos from all these stories and more, and be sure to check back next weekend for our selection of the best photos from the next 7 days.