Generated screen: large-scale interactive game equipment {see attached picture}, background: park, ground: grassland, theme: understanding the home of birds, target audience: teenagers aged 8 to 15, location: Wetland Park, ground: grassland, left side: height 250cm Bird's Nest, in front of the left: an explanation board about birds, in the middle: a large circular map - Asian migratory bird migration route, on the right: a large bird house, in front of the right: a bird watching telescope,