Xi Jinping's off-script remarks at the APEC summit closing ceremony in Gyeongju, South Korea, caused embarrassment

While delivering a handover address at the APEC summit closing ceremony in Gyeongju, South Korea, Xi Jinping went off script and improvised, saying "I hope the beautiful butterfly flies to Shenzhen, and will even sing," triggering an awkward silence and scattered laughter throughout the hall, with South Korean President Lee Jae-myung also appearing confused and bewildered.