As generalists, pigeons take advantage of urban food waste.

作为多面手， 鸽子会利用城市食物垃圾。

This year, each team of up to four participants will put their heads together to formulate a detailed proposal for urban waste disposal and recycling.

今年每⽀队伍（最多由四名参赛者组成）将集思⼴益，制定⼀份详细的城市垃圾处理与回收提案。

" We use urban construction waste, mine tailings and urban solid wastes as raw material.We sort them by category and we transform them into a special printing ink."

“我们使用城市建筑废料、矿物残渣和城市固体垃圾来作为原材料，然后分类挑出来，将它们转化为特殊的打印墨水。”

So, bursting from this phenomenal array of colours is that sense of memory and practice of rejoicing but also these tens of thousands of bottle tops it's about urban waste.

所以 这些惊人的色彩编排中 爆发出的是喜悦的记忆与感触 但几万个瓶盖同时也代表着城市废物。