After reading through all the big and small lottery winning stories from different places and winning 6 million yuan, a man closed his door for a week to study the skills of claiming prizes. On the 15th, a man, who was wrapped up from head to toe, arrived at the Jiangsu Provincial Welfare Lottery Center redemption hall. Not only that, but Mr. Dou (a pseudonym) also spent a week carefully studying the lottery winnings from all over the country...