'The city never sleeps'.Illustrate this statement.
1) The new form of work atmosphere that has arouse in big cities are call centres and the work timings in these organisations is on shift basis (round the clock – 3 different shift timings) which means ‘the city never sleeps’ as the employees of call centres work even during nights
2) A call centre is a centralised office that deals with problems and queries that consumers or customers have regarding the goods purchased locally or in US, UK or wherever the clients are located.