（二）组织或者进行淫秽表演的；
Москвичей предупредили о резком похолодании09:45
。同城约会对此有专业解读
Израиль нанес удар по Ирану09:28
Uniform regions (solid backgrounds, smooth gradients) get stored as large blocks. Detailed regions (edges, textures) get subdivided into smaller blocks. You end up with a compressed representation that preserves detail where it exists and simplifies where it can.