An elephant in Amboseli National Park in Kenya, June 2021. Gurcharan Roopra, 42, a Nairobi-born engineer-turned-wildlife photographer, has dedicated the past four years of his career to photographing these animals. He spends hours in his workshop camouflaging and encasing his equipment with protective gear before laying his camera in the path of lions, elephants, rhino, zebra and buffalo. (Photo by Gurcharan Roopra/Mercury Press)

“Contrails (short for “condensation trails”) or vapour trails are artificial clouds that are the visible trails of condensed water vapour made by the exhaust of aircraft engines. As the hot exhaust gases cool in the surrounding air they may precipitate a cloud of microscopic water droplets or, if the air is cold enough, tiny ice crystals”. – Wikipedia

Photo: An airplane leaves a vapor trail as it flies in front of he moon on January 17, 2007 above Hanover, Germany. (Photo by Alexander Hassenstein/Getty Images)

Alejandro Burdisio is an illustrator from Cordoba, Argentina who worked as an architectural illustrator in Argentina and abroad for over twenty years. Several years ago, he began to dabble in humor and cartoons. While still working as a draftsman, he developed an interest in fantasy art and started working with various publishers, video game makers and international newspapers. He has had his work published in the journal "The Murciélaga" and in 2010 published his first book of humor, "Burda World". Burdisio provides illustration workshops and seminars at the Faculty of Architecture at the National University of Córdoba, in Argentina and participates in many artistic events.

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 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.

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

Robots made by local enthusiasts and employees of an automobile repair workshop are seen during installation works on the outskirts of the rebel-controlled city of Donetsk, Ukraine, November 26, 2020. According to creators, who plan to open a robotics engineering park, 13-metre and 6-metre-high sculptures featuring transformer robots were made of waste metal including car components and weigh about 4 and 2 tonnes respectively. (Photo by Alexander Ermochenko/Reuters)