Why are blue bricks and white tiles white tiles?

The reason why blue bricks and white tiles are white tiles;

1, blue brick and white tile is an architectural style of ancient buildings in the south, which is simple and quiet, elegant and calm.

2. Wabaise is a constant persistence, which means that no matter how time passes, it means that time is long. Used to praise the persistence of love, values, etc As long as the building is in. However, brick and tile are the necessities of building construction, and the cause is always there.