They've had hives on the rooftop of their opera house for many years now, and that's what really got people started, thinking, "Wow, we can do this, and we should do this."
他们的歌剧院楼顶上的蜂箱 已经运作多年了，这让许多人意识到 "哇，我们真的做得到，而且这是我们应该做的"