Japanese Prime Minister Shinzo Abe, left, follows a Shinto priest during his visit to the Yasukuni shrine in Tokyo on Thursday. Franck Robichon /EPA/LANDOV hide caption

itoggle caption Franck Robichon /EPA/LANDOV

China's first lunar rover separates from Chang'e-3 moon lander early Dec. 15, 2013. This picture was taken from the screen of the Beijing Aerospace Control Center in Beijing, capital of China. Li Xin /Xinhua /Landov hide caption

itoggle caption Li Xin /Xinhua /Landov

Staff members make preparations for Chang'e-3's soft-landing on the moon at the Aerospace Control Center in Beijing, on Saturday. Li Xin /Xinhua /Landov hide caption

itoggle caption Li Xin /Xinhua /Landov

Vice President Joe Biden speaks after a welcoming ceremony at the Great Hall of the People in Beijing Wednesday. Biden met with China's president to discuss issues that include China's recent claim of an air defense zone. Lintao Zhang/Getty Images hide caption

itoggle caption Lintao Zhang/Getty Images

The Long March-3B carrier rocket carrying China's Chang'e-3 lunar probe blasts off from the launch pad at Xichang Satellite Launch Center in southwest China's Sichuan Province on Monday. Li Gang /Xinhua /Landov hide caption

itoggle caption Li Gang /Xinhua /Landov

Japanese Coast Guard vessels sail alongside Japanese activists' fishing boat, not in photo, warning the activists away from a group of disputed islands called Diaoyu by China and Senkaku by Japan. Emily Wang/AP hide caption

itoggle caption Emily Wang/AP