An example of an ancient house construction sentence is as follows: Ancient buildings are usually made of many pieces of stone and wood, with a long history and unique artistic style. Ancient city walls and fortresses were made of huge stones and wood, often with complicated structures and exquisite carvings. The ancient palaces and temples were built from huge stones and wood, with magnificent scale and exquisite carvings. Ancient village houses were usually built of wood and stone, with simple structures and rich artistic styles. Ancient drainage systems usually consisted of pipes and ditches to transport rainwater and sewage from urban centers to rural areas. Ancient buildings usually had many windows and doors to show the beautiful scenery and interior space to the public. Ancient buildings usually have complex carvings and paintings to show the culture and artistic accomplishments of their owners. Ancient buildings were usually equipped with fire protection facilities to prevent fire from threatening people's lives and property.