Due to zoning restrictions, the massing is divided into nine separated blocks with the commercial area no larger than 300 square meters each.

由于区域限制，建筑体量被划分成九个分开的体块，其中的每个商业区面积不超过300平方米。

The Houston metropolitan area is also noteworthy as being the largest in the United States without formal zoning restrictions on where and how people can build.

作为美国城市中，未对居民聚居地点及分布作出区域规划的最大都市，休斯顿城也因此闻名。