“Rain – OP”, photo by Beryl_snw. Found on Flickr. Used under Creative Commons license. Original photo can be found at: https://www.flickr.com/photos/beryl_snw/16688862466/in/photolist-rqJMo3-bbEajH-5m1yL9-WsmXPx-6FiPhE-aX5bKK-nKeB3s-fsQHh2-prFfrq-arYa9r-cuexXN-bnyyPo-fovmDj-ptqwaW-h2BMcz-dMfgWN-6ryjub-WWSi5X-4acXU-4eDw5Q-5oCbXe-5LRhAc-bMQTBR-RbmQGw-c8T4Xs-fUfXdX-24n2ZZJ-9hk2E5-ekdRs6-4TRiia-8a8pFK-fTaAt8-7eGzo-22AKXA7-4EfNkp-bd71n2-bFi3zP-9hgKCU-ozvfsF-9Miiv2-6rriLK-aitK8A-7jreHb-rpc5UN-7EPmgf-fFci73-6WPyCH-3V8opS-d6yThq-afYqrK