'Thousands died in 1952 in a notorious smoggy event in this European capital'
London
AIR APPARENT: Thousands died in 1952 in a notorious smoggy event in this European capital
Thousands died in 1952 in a notorious smoggy event in this European capital
Thousands died in 1952 in a notorious smoggy event in this European capital
AIR APPARENT
London
AIR APPARENT