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Transcript:
Its name may mean 'peace', but the Bolivian city La Paz is not normally noted for its calm.
That is, apart from on the annual day of the pedestrian.
Vehicles are banned for 24 hours and the usually traffic-choked streets are taken over by cyclists, street performers and people playing sport.
The idea is to raise the environmental awareness of Bolivians.
Vocabulary:
calm adj. 静的，平静的；沉着的
pedestrian n. 行人；步行者
traffic-choked 堵车的
taken over 接收
awareness n. 意识，认识
