Και καλώς αναφέρει το λονδρέζικο σμογκ του 1952, αφού είχε περισσότερα θύματα από τις επιθέσεις της 11/9.When I moved to Beijing from New York in February to study Chinese, a question began to haunt me: Could Beijing’s air in 2013 be more dangerous than the toxic brew produced by the 9/11 attacks on New York City’s World Trade Center, which hung over Lower Manhattan for months, sickening thousands of firefighters, recovery workers, and ordinary New York residents? (The Atlantic)