Diwali, the festival of lights, has been celebrated at Trafalgar Square.
An afternoon of dance and music marked the festival, which has been celebrated at the central London landmark for the last 10 years.
Mayor Boris Johnson said: "I am delighted to see Diwali in the Square marking 10 years, it is a magical celebration."
The Diwali in London Committee said live performances would showcase "the best of South Asian culture".
Hundreds of people have been gathering at the flagship event in the square every year.
The festival, which celebrates the victory of good over evil and marks a new beginning, is of significance to Hindus, Sikhs and Jains across the world and is marked by people lighting lamps inside and outside their homes, and bursting firecrackers.
The Diwali in London Committee, which organises the event, said: "Diwali is now celebrated in towns and cities across the country.
"At the flagship event in Trafalgar Square people from all faiths and backgrounds can participate in folk dancing around the fountains, enjoy vegetarian food and watch stage performances showcasing the best of both contemporary and classical South Asian culture."