展览厅

• Virtual tour of the observatory s exhibition hall
  网上畅游：天文台展览厅
• Exhibition hall , 1 f public health laboratory centre
  九南昌街公共健康检测中心二楼展览厅
• Free admission to exhibition halls on wednesdays
  展览厅逢星期三免费入场
• Free admission for permanent exhibition hall on wednesdays
  逢星期三常设展览厅免费入场。