tank_rzd.zip is a release file of the Minecraft resource pack TANK RZD Russian Railways, made for Minecraft 1.12.2. It was published on November 23, 2019 and is 13.9 MB in size. For the full description, screenshots and every other version, visit the TANK RZD Russian Railways resource pack page.
How to install: Put the .zip into .minecraft/resourcepacks (do not extract it) and enable it under Options → Resource Packs.