Plummeting plant pots

Being struck on the head by a plant pot would be nasty, no matter how pretty the plant pot looked before it fell, nor whether the pot was blown or knocked off.

From the BEO:
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Balcony Planting: In High Wind
Following an incident on the Estate where a terracotta pot fell off again from a balcony ledge, please ensure that any pots or plants you have on the ledge are taller than the safety wires.

Thank you for your cooperation.