The city management can control the stalls, why do not you care about the square dance?

Because the stalls are randomly set up which more people go where, causing road congestion, the resulting garbage randomly discarded to affect the surrounding health environment. As long as someone to buy there is money profit income, and belongs to the personal income, but did not pay personal income tax to the tax authorities. The square dance of the aunt simply dancing without any economic benefits income, the city management will not naturally interfere with its behavior.