Que signifie ce panneau ?What does this sign mean?

Que signifie ce panneau ?What does this sign mean?
Interdiction de passage pour les enfantsChildren are prohibited to cross
Attention, des enfants peuvent traverser la routeWatch for children crossing
Attention aux piétons âgésWatch for aged pedestrians
Passage interdit aux piétonsPedestrians are not allowed

Question de mémorisation