they are more for blocking the view from the street up to the house. i was trying to do it a couple months ago but just no time to do it. do: talk to the kids about waves and imagine the basket with baby moses going down the river. however, in the context of other evidence, as in this case, it can be. climb a boulder for that great photograph..
nip out of the hut/ off the track for the call of nature..
or any number of possibilities when you are suddenly separated from your pack and fall / injury your self. 