A historic Canterbury square is currently without tables or chairs after a planning mistake.
The Prince and Princess of Wales joined the congregation at Canterbury Cathedral.
Dame Sarah Mullally is the 106th Archbishop of Canterbury and the first woman to hold the office.
Dame Sarah Mullally will be officially enthroned at a service in Canterbury on Wednesday.
The US vice-president previously said the artwork made Canterbury's iconic site "ugly".
The US Vice President says it has made a "beautiful historical building really ugly".
Images of poppies and soldiers will be among those projected on to the inside of the building.
It is believed the alarm was set off by pigeons disturbing dust, Kent Fire & Rescue Service says.
A Kent composer and artist have teamed up to create a tapestry and accompanying piece of music.
