What does this sign indicate?

• There is a school zone ahead.
  Explanation:

  "This sign warns drivers that they are approaching a school zone, where children may be walking, crossing the street, or waiting for buses. Drivers are expected to reduce speed, be cautious, and remain vigilant for children in the area."
• There is a park zone ahead.
• There is a hospital ahead.
• There is a pedestrian crossing ahead.