Slightly off subject but sometimes what looks like chewing gum all over the pavements is not chewing gum at all but a lichen.
www.google.co.uk/search?q=chewing+gum+lichen&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjq86zrh4vUAhUmM8AKHfd3AAAQ_AUICigB&biw=1440&bih=770
Fascinating really.
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) everything seems to be set up, but at the last minute she decides against it.



