China Lunar Exploration Program Engineers Using Chang’e-2 Lunar Orbiter Images To Select Landing Sites For Chang’e-3; Special Pictures Of Sinus Iridum 41°N With Resolutions Of 1-1.5m To Aid In Selection Of Several Potential Sites; Final Selection Will Depend On Launch Time; Chang’e-2 Images Also Provided Foundation For Recently-Released 7-m Resolution Whole-Moon Map