The presence of Han Zheng at the ceremony is controversial because of his role in the crackdown on civil liberties in Hong Kong.
The Royal Mail postbox in Cardiff city centre was one of four decorated ahead of the King’s crowning.
Archbishop of Canterbury Justin Welby will anoint and crown Charles and Camilla.
The Prince and Princess of Wales wore formal robes and mantles at the request of the King and Queen.
Celebratory bunting, in antique gold and silver thread, is also intertwined amongst the swathes of blooms on the historic dress.
The Windsors wore mantles appropriate to the most Senior Order to which they belonged.
John Sinclair, co-owner of HM Sheridan in Ballater, was given a royal warrant to serve the late Queen and Charles in 1987.
Andrew and his nephew the Duke of Sussex will not have any formal role at the event.
The Duke of York had no formal role at the coronation.
Republic chief executive Graham Smith was among those arrested on Saturday.
The military have promised to put on a “spectacular” ceremonial display.
President Michael D Higgins is the first Irish head of state to attend a coronation.
Al Aqsa Martyrs Brigades identified the pair as militants Samer El Shafei and Hamza Kharyoush.
The pro-Brexit party appears to have been wiped off the electoral map.
Graham Smith, chief executive of the anti-monarchy group Republic, appeared to be among those arrested.
Buckingham Palace staff were seen adorning its famous balcony with red and gold draping.
Armed forces personnel involved in the coronation arrived at the UK’s busiest station on Saturday morning.
The King and Queen will be crowned at Westminster Abbey.
Up to 2,000 people have been invited to mark the occasion at Cardiff Castle.
Millions from around the world will tune in to see Charles being crowned.