This Week in Photos, Week of March 16-22, 2012

Emma, a 17-year-old model, poses as she wears the wedding dress with the longest train in the world during a Guinness World Record attempt in Bucharest. The 9,000-foot-long train broke a previous record of 8,162 feet. It is made of 15,420 feet of material using 1,857 needles, taking 100 days to make.

Two actors in costume walk through a reception area in Kensington Palace, which reopened today after a $19-million renovation in central London.

An Afghan boy plays on a swing during a gathering to celebrate the Afghan New Year (Nowruz) in Kabul, Afghanistan.

Irish step dancers participate in the St. Patrick's Day parade in Chicago. Tens of thousands took advantage of record high temperatures and sunny weather to attend the city's annual St. Patrick's Day celebration.

Kitty Stoner of Annapolis, MD, sits against a cherry blossom tree near the Martin Luther King Jr. Memorial in Washington DC. This year marks the 100th anniversary of the trees, which were originally a gift from Japan and were planted along the Potomac River's Tidal Basin.

Scott Robinson swims the length of the pool during the Canadian men's water polo team practice in Calgary, Alberta. The 13-man squad is entering its final stages of preparation for the 2012 Men's Water Polo Olympic Qualification Tournament, which runs April 1-8 in Edmonton.

David Rawcliffe, house and monument steward at the National Trust's Chedworth Roman Villa cleans a Roman mosaic in the new environmentally-controlled conservation shelter near Cirencester, England. Opened this month, the multi-million dollar building allows visitors to walk on suspended walkways just above the 1,600-year-old Roman floors and see recently excavated mosaics unseen for 150 years, with more to be uncovered over the coming year.

Members of a plumbers' union dye the Chicago River green for St. Patrick's Day in Chicago. The river was first dyed green in 1962; the practice has become a St. Patrick's Day tradition in Chicago.

Models walk the runway during the Celia Kritharioti spring/summer 2012 fashion show at London’s One Mayfair.

An employee feeds long-tailed Gentoo Penguins in a new penguinarium at the Royev Ruchey zoo in a surburb of Russia's Siberian city of Krasnoyarsk. A group of Gentoo Penguins were transferred from Bulgaria to the zoo last month. It is the only zoo in Russia holding this kind of penguin.

Performers burn dried tree branches during Nowruz celebrations in Ala-Too Square in Bishkek, Kyrgyzstan. Nowruz is the traditional Central Asian New Year holiday marking the first day of spring and the beginning of a new year.

The Muppets, who were honored with the 2,466th star on the Hollywood Walk of Fame, in front of the El Capitan Theatre in Hollywood, CA.

London 2012 Olympic torchbearers Dinah Gould and Dominic John MacGowan pose with London Mayor Boris Johnson at Redlands Primary School.

Hunger Games trilogy fans wait while camped out at the Union Square Barnes & Noble store in Manhattan. Fans began lining up last night to attend an in-store appearance by actors in the new film.

A visitor looks at John Buckley's "Bladerunner" at the "Sculpture and Sport: A Celebration for 2012" exhibit at the Ashmolean Museum in Oxford, England. To celebrate the London 2012 Olympic and Paralympic Games, the Ashmolean is exhibiting a group of 30 bronze sculptures recently commissioned by the public art organizer, Art at The Edge CIC. These are studies of different Olympic and Paralympic sports.