Emily smiled patiently as she explained, "Please look here. According to the plan, this is a children's playground, with many play structures for kids. It’s clearly labeled on the blueprint."

Ken nodded. "Yes, we saw that part."

Emily continued, "While the kids are playing, the adults also need a place to rest. Taking care of kids is exhausting, so this area is designed as a resting spot specifically for the parents. From here, they can watch the entire playground, keeping an eye on their ...