クルーズシップに乗ると大量の発がん性すす(PM2.5)を吸い込む可能性があります。
Levels of pollution on some cruise ships' decks are worse than in the world's most polluted cities, an investigation by Channel 4 Dispatches has found.
The undercover investigation on Britain's biggest crew operator P&O Cruises aimed to find out how clean the air holidaymakers breathe when on a ship is.
It focused on the levels of "ultra-fine particles" found in the air and around the cruise ship and emitted from the fuel the ships' engines burn.