Rooftop bee farms in Seoul help support ecosystem stocking 0 95 2020.11.02 14:31 https://youtu.be/OXaGCHTrG2g + 2 "호텔 옥상에 꿀벌이?"…도심에서 생태계 지키는 꿀벌들 When we think of honey bees, we imagine them buzzing around in the countryside. However, some ...