Also, if you look at prison movies, sometimes the way that the guards torture the prisoners is to get them to dig a hole, and when the prisoner is finished, they ask him to fill the hole back up and then dig again.
Također, ako se osvrnete na filmove o zatvorima, ponekad način na koji stražari muče zatvorenike je natjerati ih da iskopaju rupu i kada je zatvorenik pri kraju, zatraže ga da natrag napuni rupu i ponovo je iskopa.