A pumpkin which weighs nearly 500 kilograms is shown at an agricultural exposition in Changchun, Jilin province, on August 14, 2011. [Photo/Xinhua] 

Gary Locke (2nd L), the new US ambassador to China, stands with his family - wife Mona (L), son Dylan (3rd R), and daughters Emily and Madeline (in pink) - outside their residence as he speaks to the media in Beijing August 14, 2011. [Photo/Agencies]