a)
The writer has added a wider range of vocabulary and details such as colours, shapes, sounds and feelings.
b)
- hear the voices of the market sellers (sound)
 - sweet smell of fruit (smell)
 - ripened in the hot sun (touch)
 - aroma of strong, fresh coffee and petrol fumes (smell)
 - small, three-wheeled motorised vans (sight / sound)
 - farmers, or 'contadini' (sight)
 - mountains of different coloured fruits and vegetables (sight)
 - firm red peppers, purple beans, tomatoes of all shapes and sizes (sight / touch)
 - liveliness in the air (sound)
 - old ladies haggle over the price of the cherries (sight / sound)
 - wave their arms in rebuke at the younger workers (sight / sound)