Unlike many other shopping malls that are built in the suburbs nowadays, these pedestrian malls are typically located in the downtown area of the city.
With the opening of the visitor centre, sightseers will pass through metal detectors and queue up for tours amid air conditioning and plentiful lavatories.
The ratio is the same for galaxies of all ages and sizes, whether the central black hole is a few million or many billions of times the mass of our sun.
Every province, autonomous region and municipality has set up a census office and will report to a main center staffed by officials from government departments.