Six million people visited the Crystal Palace for the six months it was in Hyde Park in 1851.
Three scientists will be arguing the point as part of the annual Great Exhibition Road Festival.
Shawn Gregory returns to the London venue that inspired him to be an acrobat for Cirque du Soleil.
The platinum and gold watch features precious stones including rubies and sapphires.
Ed Sheeran performed with young people at the West London Inclusive Arts Festival.
Latest figures show London has the most cases in England, the UK Health Security Agency says.
A man is charged after the blaze in a block of flats which left 13 people needing hospital treatment.
Dramatic footage shows the moment officers kicked down the door of burning flats in west London.
About 160 people were evacuated from their homes as firefighters tackled the South Kensington blaze.
