London's Regent Street Switches on Christmas Lights Amid Crowds

• Thousands of people gathered on London's Regent Street on November 5 for the Christmas lights switch-on.
• The event included a fireworks display, marking the start of the Christmas season.
• Oxford Street's decorations are inspired by 'Harry Potter and the Philosopher’s Stone'.
• The 'Harry Potter'-themed decorations include floating candles and an 'Enchanted Snowfall' tree.
• The 'Harry Potter' decorations are set to go live in the heart of London's West End.