Group 1 - Japan has been a significant destination for Chinese tourists, but recent warnings from the Chinese Ministry of Foreign Affairs advise against traveling to Japan due to safety concerns and rising incidents of crime against Chinese citizens [2] - Following the advisory, multiple Chinese airlines have announced free ticket change and refund policies for flights to Japan, indicating a response to the deteriorating travel conditions [3][4] - Major airlines such as Air China, China Southern Airlines, and China Eastern Airlines have implemented similar policies, allowing passengers to change or cancel their flights without fees [4] Group 2 - The number of flights between mainland China and Japan has been declining for four consecutive weeks, with flight numbers dropping from 1,223 to 1,189 during this period, representing a significant decrease compared to 2019 [5] - The inbound tourism market from mainland China to Japan may be adversely affected, as data shows a substantial increase in Chinese tourists visiting Japan in previous months, but the current trend suggests a potential downturn [5]