China's ambassador to the US Cui Tiankai (R) receives the Key to the US city of Birmingham, Alabama, from City Councilor Valerie Abbott during the Ambassador's Dinner of Alabama's Spotlight on the People's Republic of China in Birmingham,Alabama, Jan 22, 2015. The 2015 Spotlight on China will bolster cultural, educational and business ties between Alabama and China. According to the Alabama Department of Commerce, China is Alabama's second largest export market, valued at $2.5 billion.[Photo/Xinhua]