Dutch children were once ranked among some of the worlds happiest, but since the coronavirus pandemic, an increasing number are suffering from depression. Mental health experts say they have seen a sharp rise in calls to suicide prevention helplines. Al Jazeeras Step Vaessen reports from Amsterdam, the Netherlands. - Subscribe to our channel: http://aje.io/AJSubscribe - Follow us on Twitter: https://twitter.com/AJEnglish - Find us on Facebook: https://www.facebook.com/aljazeera - Check our website: https://www.aljazeera.com/ #AlJazeeraEnglish #TheNetherlands #COVID19