Cicadas vanish before they can fly at Seoul's park. City responds with banners, patrols

Every summer, cicada nymphs emerge from the soil and climb trees to shed their skins. At a riverside ecological park in Seoul, however, some are being collected before they make it that far. The Seoul Metropolitan Government said Wednesday that it had received complaints about people taking cicada nymphs in large numbers from Yeouido Saetgang Ecological Park, a green space along a narrow waterway on the southern edge of Yeouido. The reports have prompted the city to put up banners around the par