Broken_Anachronism_v12_-_1.6_Blocks.zip is a release file of the Minecraft resource pack Broken Anachronism v14 - Plant Overhaul and 1.7 Blocks, made for Minecraft 1.6.2. It was published on July 12, 2013 and is 50.8 MB in size. For the full description, screenshots and every other version, visit the Broken Anachronism v14 - Plant Overhaul and 1.7 Blocks resource pack page.
How to install: Put the .zip into .minecraft/resourcepacks (do not extract it) and enable it under Options → Resource Packs.