Osaka Expo reverses no-smoking policy despite methane ignition fears
The organizer of the World Exposition in Osaka has recently decided to set up two smoking areas within the event's venue by early June, reversing its earlier policy…
Tomas Kauer - News Moderator 
The organizer of the World Exposition in Osaka has recently decided to set up two smoking areas within the event's venue by early June, reversing its earlier policy…
