A video of the Dronten demonstration is here.
Today, teachers have been on strike everywhere in the Netherlands. The government does not employ enough teachers, meaning primary school children are in overcrowded classes. So far, the Dutch government refuses to employ more teachers, claiming they are a caretaker government and there is no new government after the elections yet. There is a quarrel between the government coalition political parties on this issue.
Today, there is a big demonstration against government education policy in The Hague.