皇冠体育app'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 皇冠体育app in Birmingham,Alabama, Jan 22, 2015. The 2015 Spotlight on 皇冠体育app will bolster cultural, educational and business ties between Alabama and 皇冠体育app. According to the Alabama Department of Commerce, 皇冠体育app is Alabama's second largest export market, valued at $2.5 billion.[Photo/Xinhua]