Build your hive

就像建造鸟巢吸引鸟儿一样，建造虫巢吸引虫子。
建造你自己的虫巢，当然是在研究后。
Just as building nests attracts birds, building hives attracts insects.
Build your own hives after research.

2022/3/8 - 修复了虫巢不能自行维护的bug。