The Hong Kong float, with its replica Cantonese Opera House, passes Mansion House, the residence of the Lord Mayor of London, as part of the Lord Mayor's Show.

East meets West: Hong Kong Cantonese Opera stars Vitty Ng (right) and Noelle Wong Mei-ha performing next to St Paul's Cathedral.

A little helping hand: to protect the colourful but fragile Cantonese Opera costumes from London's drizzling rain, a Lord Mayor's Show Marshal lays a 'plastic carpet' so that two of the performers can reach the stage.

An estimated half-million people come into the City of London for the Lord Mayor's Show.

2012 Lord Mayor's Show highlights Hong Kong cultural heritage with Cantonese Opera