...and has nothing to do with emphysema unless this revelation takes your breath away, but I just happened on this today and thought the group might enjoy it:
earther.com/scorching-heat-...
"...Weeks of extreme heat and drought have baked Welsh fields to a crisp. But amidst the desiccated remains of crops, bizarre circles of green have emerged. While I would like to tell you it’s aliens, it’s definitely not aliens. It’s the remains of ancient settlements emerging from centuries of slumber.
These are crop marks, the 21st century’s answer to crop circles.
Great Britain as a whole has been facing wild run of heat, with Wales getting the worst of it. The country just had its hottest June on record, according to the U.K. Met Office.
The Porthmadog, a small port town in northwest Wales, recorded the hottest June temperature in the United Kingdom when it reached 33 degrees Celsius (91.4 degrees Fahrenheit) on June 28. At the same time, Wales recorded one of its five driest Junes on record, getting just 22 percent of its normal rainfall..."