(23 Dec 2013, 9:54 pm)aureolin wrote Strange for a Citaro. If the air conditioning is working/set right it shouldn't happen at all.
Unless it had just came out of the Depot to Replace another Citaro or Something an Hour or so Before CatsFast got on 5366. I have noticed when I had to swap Buses due a Fault particularly during the Winter, they do tend to end up like this as some Drivers leave the Doors Open overnight whilst they are in the Depot. As I noticed on Boxing Day Last Year when I was riding past Washington Depot.