Piers Morgan â€@piersmorgan8m
BREAKING: Some better news re #Oklahoma - medical examiner now revising feared death toll to 24 people, not 91 as she said last night.
Least their is some better news today.
From Wiki
More generally, people often build houses out of the nearest available material, and often tradition and/or culture govern construction-materials, so whole towns, areas, counties or even states/countries may be built out of one main type of material. For example, a large fraction of American houses use wood, while most British and many European houses utilize stone or brick.