Midzomerving says

Stichting Native European Rights is organizing a Midsummer celebration at the Kralingse Plas in Rotterdam, The longest day of the year. There are approximately throughout the day 35 participants, Among them is present Jan van de Kar, Boy van Velzen, John Abrossimow, Peter van Vliet, Anna Lucia van der plas, Willem van Heijningen and Martijn Janssen. Er wordt muziek gemaakt door Stephanie Lehmann en het folk duo Loes Schaijk en Honza Bartošek. There is also dancing and jumped over a small fire.