In pics: Harbin, wetland paradise in NE ChinaView of Great Wall in BeijingSpring flowers enchant people across ChinaLocal flavor adds spice to tourismXi Sends Congratulatory Letter to Rehabilitation International Centennial CelebrationGuangxi's Sanyuesan Festival makes a splash in BeijingChina sees holiday trips rise 70% to 274 millionCentral Asian Leaders Attend Welcome CeremonyXi Stresses Unique Role of Auditing in Party's SelfFlowers make rural economy blossom