In this photo released by China's Xinhua News Agency, Chinese nationals wait for Greek vessels chartered by the Chinese government, which are pulling in to shore at Benghazi port, Libya, Friday, Feb. 25, 2011. The situation in Libya has grown increasingly unstable, with forces loyal to Moammar Gadhafi trying to roll back the uprising against his rule that has advanced closer to his stronghold in Tripoli, attacking two nearby cities in battles. (AP Photo/Xinhua, Yu Yang)