A giant panda couple on loan to Japan, Ri Ri and his female mate Shin Shin, will be returned to China on Sept. 29 for treatment due to health concerns, the Tokyo metropolitan government said Friday.Ri Ri and Shin Shin, who have been staying at Tokyo's Ueno Zoological Gardens since 2011, are both aged 19 and considered to be reaching old age for pandas.The pair have been receiving medication for high blood pressure since September 2023, with Ri Ri experiencing occasional vomiting since 2022 and experts unable to identify the cause.The final day for public viewing will be Sept. 28.Ri Ri and S…READ FULL ARTICLE