The actual turnover of leading cadres in district committees was not as sweeping as it was at the highest level of municipal government. For example, Chang Ching-piao, the First Secretary of the Yangpu District Party Committee, after undergoing mass criticism and reform became the chairman of the Yangpu District Revolutionary Committee.

How many children have you got?

oyster:

This principle states that, if we could somehow replace every particle on earth with its antiparticle—thus creating a sort of antiearth—no one would be able to tell the difference.