There are 21,900 households in an area of less than 100 hectares of the Old Quarter in Ha Noi. In many houses, an entire family may (1)_____ no more than a single room.
A house on Hang Ca Street, (2)_____ in the 1940s, originally belonged to one wealthy man and his wives, and now there are six households there with about 30 people. Many say the convenience of the Old Quarter (3) _____compensates for the shortage of facilities. Tradition is also a(n) (4) ____ because some residents have (5) ____ houses elsewhere but no one wants to sell the old houses or rooms (6)_____ these are the houses of the ancestors.