To provide a building structure which enables sunlight to be extensively introduced into a downstairs room from an upper floor of the multistoried building structure, enables air cleaning corresponding to the scale of an actual life in a life space in a building such as a house to be performed by the sunlight, and enables a malodor to be efficiently removed at night.
In this building structure which is equipped with a light introduction device comprising a daylighting part 11 and a light introduction duct 12 and which enables light to be introduced into a room from the duct 12, a photocatalytic layer 14 is arranged on the inner surface of the light introduction duct 12, and a channel into which indoor air is sucked is formed in the duct 12, so that sunlight can make the indoor air cleaned by a photocatalyst 14.
MIKI SHINICHIRO
SAKAMOTO KENJI
