Kids love to go swimming in the summer. When school gets out in early June, the local playgrounds with water are a very popular place to be. To cool down and splash around Berlin's water playgrounds are perfect, not only for children! As I recently published my PlayBerlin Map in English, I also discover Spielplatzguide Berlin, which is a travel guide for parents and children in Berlin, published in German and focused on (water) playgrounds. As I don't want you to miss out, I invited Marianna...