A giant biodegradable landart painting by French-Swiss artist Saype is pictured in Treptower Park, Berlin, Germany, Saturday, November 2, 2019. This fresco and a second one in a neighboring park have a combined surface of over 3000 square meters and were realized using biodegradable pigments made out of charcoal, chalk, water and milk proteins. These art pieces are the fourth step of the worldwide project „Beyond Walls“ aiming at creating the longest symbolic human chain around the world promoting values such as togetherness, kindness and openness to the world. (VFLPIX.COM /Valentin Flauraud)French-Swiss artist Saype poses in his giant biodegradable landart painting in Treptower Park, Berlin, Germany, Saturday, November 2, 2019. This fresco and a second one in a neighboring park have a combined surface of over 3000 square meters and were realized using biodegradable pigments made out of charcoal, chalk, water and milk proteins. These art pieces are the fourth step of the worldwide project „Beyond Walls“ aiming at creating the longest symbolic human chain around the world promoting values such as togetherness, kindness and openness to the world. (VFLPIX.COM /Valentin Flauraud)