Very informative thanks! After doing a quick web search, you can play spot the difference in air quality in these pictures: http://www.ibtimes.co.uk/singapore-

Very informative thanks! After doing a quick web search, you can play spot the difference in air quality in these pictures: http://www.ibtimes.co.uk/singapore-indonesia-haze-interactive-before-after-photos-show-dramatically-reduced-visibility-1521643 http://www.ibtimes.co.uk/singapore-indonesia-haze-interactiv...