WoGE #505 is a little less humid but, has other virtues ...
As usual, your goal is to find out the exact location and the geology of this place and, if you are the first, you can have the honor of presenting the next WoGE.
This time I'm calling Schott's Rule! -> Publish time: 2015-09-02/14:14 (GMT+1)
Rules, tips and previous WoGEs are collected by Felix on his blog and a KML file is available with all WoGEs.