The yin20yang.zip file you have requested: Maps Levels Missions / Miscellaneous / Yin Yang - 32.1mb is not available. Perhaps try browsing all files for the game Battlefield 2 and upload any files you want to share or are missing. This is the only information we could locate:
This Map Was Created By MCC (http://www.modderscentral.com) And the content In this map can not be change or modded to anything different you must have permission from a creator of the map to change or mod it any way which was created by and navmeshe This map will only work on the MCC Mod. To play this map, you must install these two files: MCC Mod and MCC Mod Map Pack.