Open smooth watchtower, be located in what Guangdong saves the administer below river retail sales to open smooth city churchyard, it is Chinese agrestic architectural a special kind, it is collect defensive, live to build art with Chinese and Western at an organic whole multilayer tower type construction, its are main the civilian house that characteristic is match well of Chinese and Western. June 2007, " opens project of smooth watchtower and bequest of culture of world of application of ancient dorp " to be passed successfully, include formally " world bequest directory " , become China bequest of the 35th social bound, china was born from this the world bequest project of culture of first overseas Chinese. Since Ming Dynasty, because be located in hill of new meeting, stage, favour,make the same score smooth, burgeoning between 4 counties, for " 4 without giving thought to the ground of " , the bandit is rampant, public security disorder, add a river numerous, every receive typhonic torrential rain, big damage caused by waterlogging kills frequency to send, local people is forced to build watchtower to undertake ego is protected in the village. Opening smooth watchtower is multilayer building, the civilian house with far average outclass of a lot of watchtower, the reason is to facilitate commanding defence nots pilfer. The wall substance of watchtower is thicker than average civilian house solid, wall of authentic of pilfer of bandit of so OK and effective defense or fire attack, the window is smaller than civilian house mouth, have iron bar and casement, door of window of peripheral iron plate. In the meantime, watchtower is opened on each wall have fire opening, increased the attack point of the dweller inside the building, the distance of effective defense is longer. The historical action that opens smooth watchtower basically is " in order to avoid bandits " , protecting aspect of security of relatives of nationals living abroad and villager life property, had had not little effect. The model change that opens smooth watchtower from the point of modelling respect depends on tower coping. Bottom form is roughly identical, have the distinction of size, discretion only. Big watchtower, every are equivalent to 3 the standard width of a room in an old-style house, or bigger; small watchtower, every are equivalent to half the standard width of a room in an old-style house only. Highest watchtower is bare bank countryside south the building is as high as 7, and short watchtower has three-layer only, taller than general building not how many. The film " let bullet fly " , " generation masters of great learning and integrity " once made the same score watchtower here find a view.