A new homes development evolves into a community when it becomes a place where activities happen that bring people together. Building houses, shops, nurseries, play areas and cycle lanes is a good start, but bringing people together – really investing in a community – is so much more. Usually it involves some sort of shared experience – better still a communal experience. A film might work: a play or concert would be even better. But what’s happening in Waterbeach is quite unique – dozens of groups are using the Waterbeach Barracks site for activities, from yoga to cèilidhs, from brass bands t…