The company said it collects waste grounds from chain coffee shops and factories.

该公司称，他们从连锁咖啡厅和工厂收集废弃咖啡渣。

Their Olaf Street Study, a square of brick-strewn waste ground, is one of the few works here to embrace the commonplaceness that characterises most of our experience of the landscape most of the time.

他们的奥拉夫街研究是一块布满砖块的荒地，是这里为数不多的作品之一，它体现了我们大多数时候对景观的体验的普遍性。