Urban_128x_3.23.zip is a release file of the Minecraft resource pack URBAN 128x|256x|512x|1024x, made for Minecraft 1.20.4. It was published on January 25, 2024 and is 59.6 MB in size. For the full description, screenshots and every other version, visit the URBAN 128x|256x|512x|1024x resource pack page.
How to install: Put the .zip into .minecraft/resourcepacks (do not extract it) and enable it under Options → Resource Packs.