There is a very beautiful house in the new picture，first，let us see  the top of the house。there is  a chimney pot，it is on the top of the chimney. and there is a skylight in the top of the roof ，what is the skylight for，improve the indoor lighting effect and meanwhile improve  the  dryness of indoor air and also can promote indoor air circulation  .
  Oh，there are some  drainpipe and ridge in the brim of the house ，The function of a drain pipe is to discharge waste water，and the function of the house ridge  is for the house protected ，Then we can see the roof， the role of the roof can shade and keep the interior relatively cool