v0.20 is a release file of the Minecraft plugin Dynmap-Citizens2, made for Minecraft 1.8.1. It was published on July 14, 2015 and is 0 MB in size. For the full description, screenshots and every other version, visit the Dynmap-Citizens2 plugin page.
How to install: Put the .jar into the plugins folder of your Paper, Spigot or Bukkit server and restart the server.