Buzz·Posted on Jan 15, 201625 Of The Most Powerful Photos Of This WeekHere are the most moving, sorrowful, and beautiful pictures from the past week.by Gabriel H. SanchezBuzzFeed StaffFacebookPinterestTwitterMailLink Chris Ratcliffe / AFP / Getty Images A woman cries before a mural of David Bowie, painted by Australian street artist Jimmy C, following the announcement of Bowie's death on January 11th. The music and film icon died of cancer at the age of 69, drawing an outpouring of tributes for the innovative star. Kevork Djansezian / Reuters Candles are placed as a memorial to David Bowie at his star on the Hollywood Walk of Fame in Hollywood, California. Carlos Barria / Reuters President Barack Obama reacts to cheers as he arrives at the podium to deliver his State of the Union address to a joint session of Congress in Washington. Helen H. Richardson / Getty Images Stan Searle leads his herd of Texas Longhorn cattle during the annual National Western Stock Show parade as it makes its way up 17th Avenue in Denver, Colorado. China Daily China Daily Infor / Reuters Herders ride horses on a snow-covered field in Xinjiang Uyghur Autonomous Region. Lindsay Dedario / Reuters A car covered with ice remains stranded on the waterfront in Hamburg, New York. The owner left his Mitsubushi Lancer parked overnight outside a restaurant on Sunday and by the next day, spray from Lake Erie had encased it in ice. Jorge Silva / Reuters Children play in a military vehicle during the Children's Day celebration in Bangkok, Thailand. Army barracks opened their doors to children to interact with their weapons and vehicles as part of the celebration. Shannon Stapleton / Reuters Dunia Sibomana, age 8, who was attacked two years ago by chimpanzees in his village in the Democratic Republic of Congo, rides on a toy car at Stony Brook Children's Hospital in Stony Brook, New York. This week, doctors at Stony Brook Children's Hospital began a series of extensive facial reconstructive surgeries on Sibomana. Ria Novosti / Reuters Russia's President Vladimir Putin practices with Musa Mogushkov of the Russian national judo team during a training session in Sochi, Russia. Harry How / Getty Images Lawrence Erekosima of the Alabama Crimson Tide celebrates after defeating the Clemson Tigers in the 2016 College Football Playoff National Championship Game at University of Phoenix Stadium in Glendale, Arizona. The Crimson Tide defeated the Tigers with a score of 45 to 40. Ben Pruchnie / Getty Images Guests view a sculpture entitled "Moje Sabz" by artist Soheila Sokhanvari at the "Champagne Life" exhibition held at the Saatchi Gallery in London, England. The exhibition running from January 13 to March 6 celebrates the 30th anniversary of the Saatchi Gallery and is the first all-women exhibition held at the gallery. National Park Service / AP Kitten siblings P-46 and P-47 react to the camera at their den in the western Santa Monica Mountains. The National Park Service says biologists recently discovered the two mountain lion kittens in the Santa Monica Mountains west of Los Angeles. Santa Monica Mountains National Recreation Area biologist Jeff Sikich says the successful reproduction indicates the quality of the habitat is high for the relatively urbanized area. Felipe Dana / AP An artisanal miner shows the diamonds he and his group found in an abandoned mine in Areinha, Minas Gerais state, Brazil. The area has been explored for the precious stone since the time of slavery, and up to a couple of years ago, multinational mining companies extracted the stone without care for the land or the Jequitinhonha river that crosses the region. Cris Toala Olivares / Reuters Dead sperm whales are seen washed up on a beach on Texel Island, The Netherlands. Irib / AP The Iranian state-run IRIB News Agency shows the detention of American Navy sailors by the Iranian Revolutionary Guards in the Persian Gulf, Iran. The 10 U.S. Navy sailors who were detained by Iran after their two small boats allegedly drifted into Iranian territorial waters have since been freed. Visar Kryeziu / AP Supporters of the opposition throw molotov cocktails at Kosovo police forces guarding the government building in the Kosovo capital of Pristina. A government building was set on fire as supporters of Kosovo's main opposition parties gathered during a rally organized as part of their continued attempts to bring down the government. Security forces used tear gas to push back protesters. Oscar Siagian / Getty Images Indonesian policemen guard the blast site after a series of explosions hit the Indonesia capital in Jakarta, Indonesia. Explosions and gunshots were heard in the center of the Indonesian capital, including outside the United Nations building and in the front of the Sarinah shopping mall, an area with many luxury hotels, embassies and offices. Handout . / Reuters A surveillance still shows a gunman approaching a Philadelphia Police vehicle in which Officer Jesse Hartnett was shot shortly before midnight on January 7th in Philadelphia, Pennsylvania. The gunman, claiming to have pledged allegiance to Islamic State militants, shot and seriously wounded a Philadelphia police officer in an ambush on his patrol car. Achmad Ibrahim / AP An activist in a Darth Vader costume holds a poster during a rally condemning the attack in Jakarta, Indonesia. Indonesians were shaken but refused to be afraid after a deadly attack in a busy district of central Jakarta was claimed by the Islamic State group. Alessandra Tarantino / AP Pope Francis is hugged by a child wearing a protection mask at the end of his weekly general audience in the Paul VI Hall at the Vatican. A.m. Ahad / AP Bangladeshi Muslim devotees offer prayers during the first day of the Annual Islamic Congregation's second phase in Tongi, Bangladesh. Devotees have been participating in the annual event since the 1960s and is one of the world's largest congregations of Muslims. China Stringer Network / Reuters Monks take pictures of the mummified body of a monk at Puzhao temple in Quanzhou, Fujian Province, China. According to local media, the monk named Fuhou died three years ago at the age of 94 and his remains were mummified as a sign of respect. Prabhjot Gill / AP Sikh devotees take selfies on the eve of the birth anniversary of the tenth and final Sikh Guru, Gobind Singh, in Golden Temple, Sikh's holiest shrine in Amritsar, India. Gobind Singh is considered a forefather in the religion. Athit Perawongmetha / Reuters Two women take a selfie together at a sunflower field in Bangkok, Thailand. Leon Neal / AFP / Getty Images Floral tributes to actor Alan Rickman are seen at Platform 9 3/4 at King's Cross station in London. Veteran British actor Alan Rickman, a master of the menacing screen villain, died this week at the age of 69 after suffering from cancer.