Nothing. Their duty is to guard the tomb and there should be no reason at all to when they stop. When changing guards maybe but someone is still there watching.
I would debate on not testing on animals because not only would it possibly harm the animals but the results would also no be completely accurate. Rather it be actual volunteering humans.
One tool for narrowing your topic is to list adjectives that apply towards your subject.
(And also, the process of elimination)
~Hope this helped :)
Answer:
dress nice and do their hair nicely whilst giving a gift to a loved one or crush to show affection
