The next day took me to a historic city center tour of Zofingen, just located across the cantonal border from Solothurn into Aargau. Celtic Helvetians as well as Romans had lived here in earlier times, which left the town with a nice center core, small alleys and squares and towers and historic buildings. The blue hour was just the right time of the day to get it covered, still bustling with people from a street food festival and nice summer weather.