Pigeon racing has become increasingly popular in parts of China (1)________ the country’s elite and its middle class. Sun Yan, the deputy general-secretary of Beijing Racing Pigeons Association, (2)_______ that at least 100,000 pigeons breeders live in Beijing, and (3)_________90,000 of them are registered with Racing Pigeons Associations at (4)_________ levels, to qualify for the games held in the spring and autumn. Competitions can be lucrative for(5)________owners, with some prizes amounting to tens of thousands of dollars. Liu said in recent years, pigeon racing has been surging in popularity across China.