Getty Images staff photographer Joe Raedle made this image of a Mitt Romney supporter during a campaign event held before the Michigan primary. Raedle has been on the ground covering several wars for Getty. In March of 2011 he was taken captive while covering the war in Libya, by Gaddafi forces. He was imprisoned for four days before being released. Joe Raedle/Getty Images
A student walks amid flaming tires, set ablaze during protests over the government’s plan to hike fuel prices in Indonesia. This is Reuters photographer Yusuf Ahmad’s second time appearing in our weekly roundup (see his image from last week here). You can also see more of Ahmad’s work on his Lightstalker page . REUTERS/Yusuf Ahmad
Firefighters battle a brush fire in New Jersey’s Meadowlands, just outside of New York City. Michael Bocchieri is a photojournalist working in the New York Metro area. You can see more of his work, including some inspiring street photography, over on his Website . Michael Bocchieri/Getty Images
Photographer Lintao Zhang was on the scene at the seventh-annual International Strawberry Symposium in Beijing. Also known as paradise for hungry children. Zhang is a full-time Getty Images photographer based in Beijing. Lintao Zhang/Getty Images
Individuals gather around Lyuba, the world’s best-preserved baby mammoth carcass, on display at IFC Mall in Hong Kong. The carcass is 42,000 years old. Aaron Tam is a freelance photographer based in and around Hong Kong. In addition to stringing for Getty Images, he also shoots for Reuters. . Aaron Tam/AFP/Getty Images
Russia’s ever-photogenic prime minister (now president-elect) Vladimir Putin watches a presentation at a Moscow planetarium on the 51st anniversary Yuri Gagarin’s historic first space flight. Alexsey Druginyn is a Russian photographer whose work, for the most part, revolves around Putin’s every move. REUTERS/Alexsey Druginyn/RIA Novosti/Pool
A Pakistani girl helps her father herd sheep near the demolished compound in Abbottabad, Pakistan that once housed Osama bin Laden. Muhammed Muheisen is the Chief Associated Press photographer for Pakistan. Another one of his images depicting daily life in Pakistan appeared in our gallery just a few weeks ago. Check out the image here , and see more of his work on his Lightstalkers page . AP Photo/Muhammed Muheisen
Russian riot police clear out protestors in Moscow’s Pushkinskaya Square during a demonstration following Vladimir Putin’s presidential victory. Kirill Kudryavtsev is a Getty/AFP staff photographer covering news in and around Moscow and the Baltic region. Kirill Kudryavtsev/AFP/Getty Images
Lack of care for people with mental disorders in developing nations is a serious concern for world health organizations. The man shown here, from Bali, Indonesia, has been chained in the same room for 9 years. Paula Bronstein is a Getty Images staff photographer and a Pulitzer Prize finalist. You can see her incredible portfolio of work on Getty Images . Another one of her powerful images also appeared in our weekly roundup a few weeks ago, and can be viewed here . Paula Bronstein/Getty Images
Kazakh nomads herd livestock across a plain in China’s western Xinjiang region. STR/AFP/Getty Images
Doctors and firefighters work together to cut steel bars from a worker’s body during an operation at a hospital in Hangzhou, Zhejiang province of China. A total of seven bars pierced the worker during his duty at a bridge construction site. China Daily China Daily Information Corp – CDIC / Reuters
Spanish fans react to the UEFA EURO 2012 semifinal match between Spain and Portugal, while watching it on a giant outdoor screen in Madrid, Spain. Denis Doyle is a Getty Images stringer based out of Madrid. Denis spent 15 years as an Associated Press staffer. He now does freelance for The New York Times , Getty Images and The Guardian . See more of his work on his personal site . Denis Doyle/Getty Images
A formation of military helicopters fly over the Arc de Triumph during the traditional Bastille Day military parade in Paris, France. Mal Langsdon is a Reuters staffer based in Paris, France. Mal Langsdon/Reuters
Chinese Soldiers jump into muddy water as part of a military training session at a base in Jinan, Shandong province of China. China Daily China Daily Information Corp – CDIC / Reuters
Artist Pyotr Pavlensky, a supporter of jailed members of female punk band “Pussy Riot”, looks on with his mouth sewed up as part of a protest outside the Kazan Cathedral in St. Petersburg, Russia. Handout/Reuters
This multiple exposure image shows South Korea’s Choi Byungchul (R) competing against Egypt’s Alaaeldin Abouelkassem during their men’s individual foil semifinal fencing match at the ExCel venue. Abouelkassem would go on to win the silver metal. Max Rossi is an Italian-based Reuters photographer covering the Olympic Games. Max Rossi/Reuters
These are the first two full-resolution images of the Martian surface from the navigation cameras on NASA’s Curiosity rover, which are located on the rover’s “head”. The rim of Gale Crater can be seen in the distance. See more from Curiosity over on Popsci.com . NASA/JPL-Caltech
Devotees in Mumbai, India begin to form a human pyramid during the Hindu festival of Janmashtami. Danish Siddiqui is a Reuters staffer based in India. You can keep up with his work by following his Reuter blog as well as his Twitter stream . Danish Siddiqui/Reuters
The Tribute in Light illuminates the sky over Lower Manhattan in remembrance of the 9/11 attacks on the 11-year anniversary in New York. Eric Thayer is a Los Angeles-based photojournalist who, in addition to Reuters, shoots for the likes of The New York Times , Getty and the Wall Street Journal . See more of his work on his personal site . Eric Thayer/Reuters
Muslim pilgrims sit on Mount Mercy on the plains of Arafat in the early morning during the annual Hajj pilgrimage near the holy city of Mecca. Amr Dalsh is a Reuters staffer based in Cairo, Egypt, who has been with the organization since 2006. Amr Dalsh/Reuters
Traymond Harris (L) and Ryan Hudge play basketball as Space Shuttle Endeavour travels to the California Science Center on Crenshaw Ave in Inglewood, Los Angeles. Wally Skalij is a fulltime photojounalist working for the Las Angeles Times. Wally Skalij/POOL New/Reuters
The remnants of a roller coast sits in the surf three days after Hurricane Sandy came ashore in Seaside Heights, New Jersey November 1, 2012. Steve Nesius is a Reuters staffer currently covering the devastation at the Jersey Shore resulting from Hurricane Sandy. Steve Nesius/Reuters
Egyptian army soldiers stand guard during a demonstration in front of the presidential palace in Cairo, Egypt. Nariman El-Mofty is an Associated Press staffer based in Cairo. AP Photo/Nariman El-Mofty
President Barack Obama’s team tweeted this photo minutes after it was clear he had won the 2012 presidential elections late Tuesday night, with the caption “Four more years.” The photo quickly became the most liked and retweeted photo in the history of Facebook or Twitter. Scout Tufankijan, who made the image, is a Brooklyn-based photojournalist, who was covering the campaign. Check out more of her work on her site . Scout Tufankjian for Obama for America
Be sure to check out our archive of past Photojournalism of the Week galleries , where you will find more great work.