Is the UK's ‘golden era’ of relations with China now over?

China and the UK have clashed in recent months over a draconian new security law in Hong Kong and the Chinese tech company Huawei. The Guardian’s Tania Branigan examines whether a much-promoted ‘golden era’ between the two countries is at an end. Help support our independent journalism at <a href="https://www.theguardian.com/infocus">theguardian.com/infocus</a>