View of neon light and architecture on Karl Johans Gate, Oslo, Norway, Scandinavia, Europe

oslo neon lights architecture scandinavia europe urban nightlife cityscape historical buildings sightseeing travel landmarks visual culture colorful street scene norway tourism main street pedestrian vibrant illuminated businesses shops entertainment design culture exploration evening outdoor structures tourist destination bustling crowds heritage picturesque skyline seasonal iconic modern classic style windows signage vibrant colors urban landscape attractions walkability nightlife activities scenic views vibrant atmosphere