no respite was to be had there though , no pavement psychology , no basking in the sun , no watching the tourists mosey-on past ; instead he quickly found himself dashing her over the narrow wooden footbridge opposite , stopping only momentarily to check and remark on the clarity of the glass klar waters of the flowing limmat , then making a swift chicane down through the underground of the hauptbahnhof , and skirting across to the more colourful district known as kreis-4 .