Trouvez la vanne permettant l'ouverture de la porte de bois.Assume that you are a duck herder and you took your ducks to a park where a river flows at a side of a park which is the best place for ducks for playing and feeding. After letting your ducks in the river and you started playing in the park. While playing you noticed some of the ducks were missing. So use your skills to collect the necessary items to escape your ducks from the park.