The method of observation was made right at the Bach Dang sidewalk, beside the area Thu markets. The first observation of the people selling fruit on the boat, their activities on the sidewalks, their transport as well as fruit concentrate in the area of the pavement was observed in the morning from 6am-8 and in the afternoon from 4 pm-6 pm on weekdays and all weekend (Friday, Saturday and Sunday).
đang được dịch, vui lòng đợi..
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