The bus stops at the next stop. A mother and her child get on the bus and sit down. The conductor comes to them for the tickets. The mother says. “One ticket to the Children's Park.” The conductor looks at the small child, then says to him, “How old are you, little boy?”

    The mother wants to speak, but the conductor stops her. The boy says, “Mother says I'm four years old at home and two on the bus. ”All the other people laugh.

下图为“某市三个不同区域的土地利用结构图”。以下地理事项最有可能位于a区域的是（    ）

家住广州的小明同学设计了一条“美丽中国之旅”的考察线路（如图），目的是感受祖国山河的辽阔与壮美。