How many years has Nanjing Wa Allegro been circulating?

As of June 9, 2023, it has been circulated for more than four years. According to Allegro "Nanjing Wa" collected by Himalayan website, the collection time is 20 18 10 10/0/2. Allegro reads: "Nanjing Wa, you can't love Nanjing without praising it. There is history and humanity, and the ancient capital of the Six Dynasties is worthy of the name. The city wall is high, the water is surging, and the Zifeng Building is high and high. The old city wall, the bright Qinhuai River and outstanding people are wonderful. Nanjing City, Stone City, love with your heart is the most sincere! The most sincere! " .