日本旅游，退！退！退！

Group 1 - The Chinese government has issued multiple warnings for citizens to exercise caution when traveling to Japan, leading to a significant increase in ticket cancellations and refunds for travel arrangements [2] - Major airlines such as Air China, China Eastern Airlines, and China Southern Airlines have announced special handling policies for tickets to Japan, allowing for fee-free changes or full refunds for eligible tickets [3] - Several travel agencies have frozen tours to Japan and are no longer accepting new bookings, with many travelers successfully sharing their experiences of canceling hotel reservations [4]