"罗宾SIR" is the online persona of Robin, a retired Hong Kong police officer. After relocating from Hong Kong to Zhongshan in 2020, he began creating short videos to share local property investment insights and lifestyle tips with Hong Kongers. Now as a prominent real estate influencer on Douyin and Xiaohongshu, Robin leverages his firsthand experience to showcase Zhongshan's appeal, helping more GBA residents discover and embrace life in this thriving city.