Sucked feet first down the tube (2010)

Why was there an open drain hole that can fit a person in the first place? Was there no grate?

This guy is <i>incredibly</i> lucky. I hope that council worker was taken to task over it.<p>Delta-P is not to be messed with.<p><a href="https:&#x2F;&#x2F;youtu.be&#x2F;AEtbFm_CjE0?si=_NPIJFUWGYNb_Jx8" rel="nofollow">https:&#x2F;&#x2F;youtu.be&#x2F;AEtbFm_CjE0?si=_NPIJFUWGYNb_Jx8</a>