Famous actor Li Ding starred in famous TV dramas such as Prime Minister Liu Luoguo, but the most impressive one might be the calcium supplement advertisement he shot - "Hey, look at this old man, his legs are still pretty agile" also became a well-known advertising slogan. Li Ding told everyone: "I'm scared of taking too much calcium supplements. My grandson saw the ad and asked me: 'Grandpa, are you poor? Due to physical discomfort and being bedridden, Li Ding made a resolution...