This pretty cool series of images by Mladen Penev, a talented graphic designer from Bulgaria.

The first solar-powered station designed to look like a tree provides users with a free Wi-Fi spot charging station, seating and cool drinking water.

Finia, a visiting student from Hanover, cools off under a water sprinkler in front of the Chancellery on June 10, 2010 in Berlin, Germany. (Photo by Sean Gallup/Getty Images)

The new Amazon tablet called the Kindle Fire is displayed on September 28, 2011 in New York City. The Fire, which will be priced at $199, is an expanded version of the company's Kindle e-reader that has 8GB of storage and WiFi. The Fire gives users access to streaming video, as well as e-books, apps and music, and has a Web browser. In addition to the Fire, Bezos introduced four new Kindles including a Kindle touch model. (Photo by Spencer Platt/Getty Images)

An animal sprints across a road as the Sugar Fire, part of the Beckwourth Complex Fire, burns in Plumas National Forest, Calif., on Thursday, July 8, 2021. (Photo by Noah Berger/AP Photo)

Pictured on December 9, 2022 during the Friday sunset on Martello beach at Clacton in Essex is some light painting with fire created by spinning fire with a 21-second exposure. (Photo by Kevin Jay/Picture Exclusive)

A fire dancer makes a heart shape at the Bealtaine fire festival, marking the beginning of summer at the Hill of Uisneach in Rathnew, Ireland, on May 10, 2025. (Photo by Clodagh Kilcoyne/Reuters)