hey Andrew, I think this is a great question and one that I’ve been thinking about over the last five years as a pastor in the city. I have a regular rhythm of pilgrimage and retreat to a Benedictine monastery. It’s a rural context and that rhythm is one I could not survive without. But there is a need for an articulated urban spirituality and I think it must be communal in focus. We’ve talked about practices that might inform a way of life for our community as well as different vows that might form us (proximity, stablility, hospitality, rest). A couple of years ago I read a pretty good article in Sojourners dealing with this subject. you might want to check it out. The article is called City Lights