You are a very informative guy waiterpilot. Most kind and many thanks for great thrills, information and entertainment.
What we have done on weekends in Botswana is to go out in to dust desert, not really sand is it, and plant a radish. The we would water it and then see if it grows by the next weekend. It never did, of course, but like playing the grand piano, it was a link with the sanity.