This week’s theme is U – for Undulations. I’ve taken a fairly liberal interpretation of that to mean hills, and valleys .. and so we start with the mountainous country around Beijing, in China. And the Great Wall that is built along those mountains. They say the Great Wall of China is the only man-made structure…

The theme letter for our ‪‎travel pics this week is Y – for You should see the view! They say the Great Wall of China is the only man-made structure visible from space. They say it, but it ain’t true .. on two counts. First, if you consider ‘space’ to be orbit, for example, then you…