In her blog, Heavy Petal, Andrea Bellamy tells a sordid tale of homeowners – I shall not call them “gardeners” – who so neglected their pruning responsibilities they created a public hazard:

Cedar hedges are so ubiquitous in Vancouver they rarely merit a second glance. But in the tony neighbourhood of Point Grey, there’s one particular hedge that makes me giggle every time I pass it. … See, the hedge in question is made up of a series of three grouped cedars. One columnar cedar flanked by two smaller, round ones. See where this is going?
– Nice (ahem) hedge

This is where the neighbors exclaim in uproar: But, what about the children?!

Seriously, you have to visit her blog to see the photos for full effect.