A reader describes Grimshaw’s “hub city” solution on aviation capacity as “proactive and creative”

Grimshaw’s proposal to make London into a “hub city” (25 January, page 22) is an interesting way of bringing together the objectives of both the airport and the city. Although it would most likely appeal to the leisure people, it is proactive and creative.

Shirley de Silva, airport management professional, via www.building.co.uk