<ot> I once had to put up a fence in the middle of a public field. As we were hammering in the first post, security demanded an explanation. The foreman looked

<ot> I once had to put up a fence in the middle of a public field. As we were hammering in the first post, security demanded an explanation. The foreman looked up and explained politely and with a totally straight face that we were fastening the tectonic plates to prevent earthquakes. They let us be... </ot>