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This is an answer written by a candidate who achieved a Band 6.5 score

The South West airport had some changes after its redevelopment. The departures area was modified to have a bag drop service, along with a cafe and check-in module that were already there before the redevelopment. 

However, both the cafe and the check-in module changed places to make room for the bag drop. After going through security passport control, passengers and airport staff will be able to purchase stuff at the new stores before their flight. After doing some shopping the boarding gates wait ahead. There are now 18gates which were 8 before the redevelopment. For this reason the walkaway installed between the gates has been replaced for a sky train, which will be able to transport people along the different gates.But if you're not leaving the South West airport you'll be glad to know the arrivals area has also been redeveloped. After going through passport control customs passengers and airport staff will be able to hire different services. This area was empty before the redevelopment but now it has an ATM, a cafe and a car hire service that will gladly take you to your destination.