Original drawing released into the public domain by Pearson Scott Foresman. http://commons.wikimedia.org/wiki/File:Cloud_seeding_(PSF).jpg 平面 飞机 飞机 乘飞机播云
Original drawing released into the public domain by Pearson Scott Foresman. http://commons.wikimedia.org/wiki/File:Cloud_seeding_(PSF).jpg I used rg1024's grass for the uuh, grass. 发电机 分散 设备 由地面发电机播云