Spock's death was shot over three days, during which no visitors were allowed on set.
Independent tankers were allowed on and off the site but only one Shell vehicle braved the protesters because it was carrying fuel specifically for ambulances.
And it doesn't appear to be an entirely ordinary voyage: for one, only Chinese citizens from the mainland of China were allowed on board, Chinese media reported.
My favourite comes from 1906, before messages were allowed on the back.
He was amazed to see that dogs were allowed on the seats.
Eight people were allowed on deck at once; the rest had to remain in the hold.
He added that exemptions were allowed on medical and religious grounds.
No members of the media were allowed on to the site.
That these misogynistic publications were allowed on our supermarket shelves at all was a national scandal.
"A curfew bell was introduced and no non-whites were allowed on the streets after 9pm".
More than 300 clients from around 40 different expedition teams were allowed on Everest this season.
