Professor Chang is a Co-Director of the Tumor Virology Laboratory at the University of Pittsburgh Cancer Institute

The Peace Ark left a naval port in China's Zhejiang province on July 26 to carry out its 155-day goodwill missionIt docked in Djibouti from August 23 to 31 and treated thousands of locals, Xinhua said, and made stops in Spain and Sri Lanka for resupply

One of the world's largest hospital ships, the Peace Ark is 178 meters longSince it was commissioned in 2008, the vessel has visited 31 countries, providing free medical services to tens of thousands of people"My Changsha dream is slowly being realized, but I still have a bigger dream

"Despite the long distance, I was very excited that I could visit Jackie Chan and Jet Li's hometown," Luc saidIn 2013, he married a Chinese girl, Guo Hongyan, who gave birth to a baby

"If everything goes well, our office can be launched in September," he added

"Changsha is a well-known city for entertainment — offering an opportunity for Luc, who has a great talent for singing and dancing"We are fully prepared to implement all the Security Council resolutions, no more, no less," Cui said, adding that China expects other relevant parties to do the same

The ambassador also said China will never recognize the DPRK as a nuclear state and opposes nuclear weapons anywhere on the Korean Peninsula"Honestly, I think the United States should be doing … much more than now, so that there's real effective international cooperation on this issue," Cui said

"Everybody else will have to do their share; they cannot leave this issue to China alone," Cui saidThe ambassador said China has done its best to implement the UN Security Council resolutions in a strict and full fashion, while pushing for relevant parties to resolve problems through peaceful negotiations