Tenerife architect Fernando Menis claims to have developed a new construction technique, demonstrated by this concert hall in Poland featuring faceted surfaces of crushed brick and concrete.

特内里费建筑师费尔南多•梅尼斯声称已经开发出一种新的施工技术，这座波兰音乐厅的由碎砖和混凝土组成的外表面可以证明。

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Clay has never been a favored surface for top American players in the professional era, but during the country's recent downturn, they've seemed positively allergic to the crushed brick.

WSJ: Americans Produce Feats on Clay

The loose surface and different clay characteristics meant the crushed-brick surface required a different game plan, he said.

CNN: Tennis interactive: Why clay is so different

The crushed-brick mixture that constitutes the base of a clay court produces a the highest bounce and most friction of the three surfaces, meaning they have the lowest CPR of all three surface types and are considered as the "slowest".

CNN: Tennis interactive: Why clay is so different