UnsplashProcessionary caterpillars danger in HaarlemJune 17, 2022 The Municipality of Haarlem warns citizens to watch out… https://i0.wp.com/expatshaarlem.nl/wp-content/uploads/2022/06/eikenprocessierups.jpg?fit=800%2C513&ssl=1 513 800 Arianna https://expatshaarlem.nl/wp-content/uploads/2021/12/huge_white.png Arianna2022-06-17 20:08:382022-06-17 21:18:11Processionary caterpillars danger in Haarlem