Grand Duke Henri and Grand Duchess Maria Teresa, along with their three grandchildren, Princess Amalia, Prince Liam and Prince Charles went to the Parc Merveilleux in Bettembourg. The Parc Merveilleux is an amusement park just east of Bettembourg in the south of Luxembourg. This amusement park is designed for the youngest members of the family. The park is open every day from Easter to early October.