Group 1 - The core event involves the farewell of two giant pandas, "Xiaoxiao" and "Leilei," from Ueno Zoo in Tokyo, as they are scheduled to return to China on the 27th [2][3]. - A large number of visitors gathered at the zoo to bid farewell to the pandas on their last public appearance day [2][3]. - The farewell event highlights the significance of the pandas in attracting tourism and public interest in the zoo [5].

Group 1 - The beloved giant pandas "Ryoan," "Sakura," "Maple," and "Ketsuhama" returned to China after completing their "diplomatic" mission in Japan last June [1] - Many people expressed their reluctance to see the pandas leave, with visitors coming from various places to bid farewell, and some even shedding tears [2] - To rekindle visitor interest, Adventure World amusement park launched a "Panda Keeper Experience" activity in November, where staff dressed as keepers to engage with visitors [3] Group 2 - Staff members interacted with visitors by entering the panda enclosures, allowing guests to simulate blood draws on the pandas [4] - The absence of giant pandas has led to a significant decrease in visitors, adversely affecting the local tourism industry, prompting calls for various activities to improve the situation [4]