From delivering food and drinks right to hotel rooms to taking center stage as dancers and kung fu masters, AI-powered humanoid robots are transforming how we live, work and entertain. Follow CGTN reporter Cai Mengxiao for an immersive tour of the 8th World Voice Expo in Hefei, Anhui Province, where cutting-edge AI technology and robots – a once distant sci-tech concept – are now performing real-world tasks.