of course it does have to do with walkabale cities.
to walk in a city that is not set-up for walking is clearly an odd thing to do.
if the city were set-up for walking and people walked it, a group of 4 persons walking wouldn't be an oddity
to walk in a city that is not set-up for walking is clearly an odd thing to do.
if the city were set-up for walking and people walked it, a group of 4 persons walking wouldn't be an oddity