Hand out pens and paper. Pose the question 'What if the company / department / team was territory? What would a map for it look like? What hints would you add for save travelling?' Let participants draw for 5-10 minutes. Hang up the drawings. Walk through each one to clarify and discuss interesting metaphors.
Let team members appreciate each other and end positively Source:
Agile Retrospectives who took it from 'The Satir Model: Family Therapy and Beyond'
Start by giving a sincere appreciation of one of the participants. It can be anything they contributed: help to the team or you, a solved problem, ...Then invite others and wait for someone to work up the nerve. Close, when no one has talked for a minute.