On September 26, the Tianjin Port and Shipping Administration issued a navigation notice that a "water yellow duck inflatable model" will be installed in the waters of Jinwan Plaza on September 28. It is reported that at 18:30 on September 30, Jinwan Plaza will hold the "Launching Ceremony of the 2023 Golden Autumn Haihe Culture, Sports and Tourism Festival" and the launching ceremony of the new Haihe Internet celebrity check-in landmark - "Haihe Duck Tour". By then, the postal building with an area of nearly 4,000 square meters will also be illuminated with light and shadow, creating the largest single building light and shadow show in the Beijing-Tianjin-Hebei region.