United States Marine Cpl. Benjamin Zellmann from Virginia holds a puppy taken in by the 4th Light Armored Reconnaissance Battalion during a briefing before a mission in Khan Neshin, Helmand province, Afghanistan, on Friday. Kevin Frayer/AP
Two tourists wearing panda hats look at a map in Tiananmen Square in Beijing, China, on Thursday. AP
Players from Argentina's Estudiantes de La Plata warm up during a training session of the FIFA World Cup in Abu Dhabi, United Arab Emirates, on Friday. Kamran Jebreili/AP
A Palestinian member of Hamas is seen at a demonstration in the Nusseirat refugee camp in the central Gaza Strip on Friday. Hatem Moussa/AP
Lightning strikes the Hillbrow Telkom Tower in Johannesburg, South Africa, on Friday. Themba Hadebe/AP
Bode Miller of the United States clears a gate during the slalom leg of an alpine ski Men's World Cup Super combined race in Val d'Isere, France, on Friday. Miller finished in fifth place. Alessandro Trovati/AP
South Korea's players toss coach Choi Bu-yung into the air after defeating Taiwan in the Men's Basketball Final at the East Asian Games in Hong Kong on Friday. Toru Hanai/AP
A Palestinian worker picks strawberries in Beit Lahiya, Gaza Strip, on Friday. Hatem Moussa/AP
After nearly 3,000 shows, ABC newswoman Diane Sawyer, (l.) anchor on 'Good Morning America,' says farewell to the program in New York City on Friday. Husband and director Mike Nichols (r.) visited the set, as well. Sawyer will take over the 'World News' anchor chair on Dec. 21, succeeding Charles Gibson, who will retire on Dec. 18. Ida Mae Astute/ABC/Reuters
A worker feeds baby endangered green turtles at a conservation center in Serangan, Bali, on Friday. Crack Palinggi/Reuters
Smoke rises out of chimneys in downtown Bern, Switzerland, early Friday morning. Ruben Sprich/Reuters
Capybaras sit in a hot tub at the Saitama Children's Zoo in Higashimatsuyama, Japan, on Friday. The zoo offers the 'hot spa' to its family of Capybara, the largest living rodent in the world, in the winter season to entertain zoo visitors. Kim Kyung-Hoon/Reuters
Islamic State extremists in Iraq have created a common enemy in the region. But Iran has to tackle deep distrust – and keep nuclear talks on track – to forge a new relationship with its Arab neighbors.
To clinch a nuclear deal, Iranian President Hassan Rouhani has to reassure world powers. But to achieve long-term regional stability, he has to overcome deeply sown suspicions and rivalries with Iran’s Persian Gulf neighbors at a time of tremendous sectarian tension.