![Jan Kara drinks water from a plastic bottle on his boat, made with plastic bottles, on the Elbe river near Kostelec nad Labem July 15, 2014. Kara, a 22-year-old student and Jakub Jan Kara drinks water from a plastic bottle on his boat, made with plastic bottles, on the Elbe river near Kostelec nad Labem July 15, 2014. Kara, a 22-year-old student and Jakub](https://c8.alamy.com/comp/2CXR09N/jan-kara-drinks-water-from-a-plastic-bottle-on-his-boat-made-with-plastic-bottles-on-the-elbe-river-near-kostelec-nad-labem-july-15-2014-kara-a-22-year-old-student-and-jakub-bures-a-22-year-old-car-mechanic-built-the-10-metre-328-feet-long-boat-from-5000-plastic-bottles-strapped-to-a-wooden-frame-kara-bures-and-another-two-of-their-friends-plan-to-pedal-from-their-hometown-nymburk-down-the-river-elbe-to-hamburg-in-germany-to-draw-attention-to-an-increasing-plastic-pollution-in-europe-they-said-picture-taken-july-15-2014-reutersdavid-w-cerny-czech-republic-tags-environm-2CXR09N.jpg)
Jan Kara drinks water from a plastic bottle on his boat, made with plastic bottles, on the Elbe river near Kostelec nad Labem July 15, 2014. Kara, a 22-year-old student and Jakub
![Prague, Czech Republic - August 23, 2018: Rotating Head of Franz Kafka, an outdoor sculpture by David Cerny in Prague. The kinetic sculpture is 11 met Stock Photo - Alamy Prague, Czech Republic - August 23, 2018: Rotating Head of Franz Kafka, an outdoor sculpture by David Cerny in Prague. The kinetic sculpture is 11 met Stock Photo - Alamy](https://c8.alamy.com/comp/RB4WEM/prague-czech-republic-august-23-2018-rotating-head-of-franz-kafka-an-outdoor-sculpture-by-david-cerny-in-prague-the-kinetic-sculpture-is-11-met-RB4WEM.jpg)
Prague, Czech Republic - August 23, 2018: Rotating Head of Franz Kafka, an outdoor sculpture by David Cerny in Prague. The kinetic sculpture is 11 met Stock Photo - Alamy
![GUESS on Twitter: "Up Up & Away 🎈 @AmandaCerny + @SamanthaCerny taking in the views of Cappadocia. Watch our newest IGTV at https://t.co/DPHzawvF5z for the full hot air balloon experience! #AmandaCernyxGUESS https://t.co/ZR8d7cG3iq" / GUESS on Twitter: "Up Up & Away 🎈 @AmandaCerny + @SamanthaCerny taking in the views of Cappadocia. Watch our newest IGTV at https://t.co/DPHzawvF5z for the full hot air balloon experience! #AmandaCernyxGUESS https://t.co/ZR8d7cG3iq" /](https://pbs.twimg.com/media/DnzqMDAX0AAIWPw.jpg)