This photo taken Friday 15, June, 2019 shows Linda Hilmarsdottir, Josep Gunnarsson, Marta Sigurjonsdottir, Heidar Atlason, Elsba Danjalsdottir who are part of the “Parent Patrol” in the Korar neighborhood of Reykjavik. Parent patrols to check out the usual youth hangouts form part of the Icelandic strategy to turn around a crisis in teenage drinking and smoking, and it has been so successful that Iceland has one of the lowest rates of youth substance abuse in Europe.(AP Photo/Egill Bjarnason)
This photo taken Monday, May 13, 2019, shows Karen Guttensen and Ingvar Ingolfsson, right, both 14-years old, outside the Tjornin youth center in Reykjavik, Iceland, on a bright summer night. The island nation in the North Atlantic has dried up a teenage culture of drinking and smoking by focusing on local participation in music and sports options for students, with such success that Icelandic teens now have one of the lowest rates of substance abuse in Europe. (AP Photo/Egill Bjarnason)
REYKJAVIK, Iceland The clock strikes 10 p.m. on a Friday night when the Parent Patrol enters a popular playground in suburban Reykjavik. The teens turn down the music and reach for their phones to check the time: Its ticking into curfew.