Huge crowds travel to Queen Elizabeth II’s funeral in London

From the BBC World Service: King Charles III has declared Monday a public holiday in the U.K. That means many businesses up and down the country have closed as a mark of respect to the late queen. But the decision wasn’t black and white … some flights have been cancelled at London Heathrow Airport and transport services are expecting large crowds. Plus, as thousands laid floral tributes, how have flower sellers managed the demand?