Four elderly people from Shuping have revealed their life advice . Yu ##ping smokes and drinks more than 10kgs of rice tea every month . Chen Zhenglan , 93 , instead insists that having a good argument is best . The average life expectancy in China is 40 years old , according to experts .
Four elderly residents from Shuping have revealed their life advice . Yu Fangyin smokes and drinks more than 10kgs of rice wine every month . Chen Zhenglan , 93 , instead insists that having a good argument is best . The average life expectancy in China is 76 years old , according to research .