Core Points - The article discusses the significance of the giant panda "Xinxin" in Mexico, celebrating its 35th birthday and marking 50 years of panda history in the country [1][2] - "Xinxin" is the last surviving panda from the original pair gifted to Mexico in 1975, and its potential death raises concerns about the future of pandas in the country [2] Group 1 - "Xinxin" has become a symbol of the "Panda Era" in Latin America, attracting numerous fans due to its adorable appearance [1] - The original pandas "Beibei" and "Yingying" were gifted to Mexico and successfully bred, leading to the birth of several offspring, including "Xinxin" [1][2] - "Xinxin" is currently the only surviving panda from the historic 50-year period since the arrival of "Beibei" and "Yingying" [2] Group 2 - Despite attempts at artificial insemination, "Xinxin" has not been able to conceive, raising concerns about the end of the panda era in Mexico once it passes away [2] - The future of pandas in Mexico depends on complex diplomatic negotiations, although there is a possibility of renting new pandas from China due to Mexico's experience in breeding and caring for them [2]