The fireworks area in the old area includes the Forbidden City, Zhaxi Old Street, Yishui Snow Mountain, Bianliang City, Peony Pavilion, Liuxihe, Liuhua Lake and Shaoxing Jianhu.
If you play 129, it's Yun Qi Mansion in Fujian.
175 is Zhaxi Old Street and Yishui Snow Mountain.
69% of Beijing's fireworks display area is in the red zone.