Take a tour through ancient Rome and see what it would have looked like during the years of the late Empire (circa 320 C.E.). This video was produced by the Khan Academy in conjunction with the Rome Reborn project at the University of Virginia.
USB Cable wiring
Diversos tipos de fichas ou conetores de cabos USB
Maps on the Web : Photo
Turkic people by ethnic geography / Harita üzerinden Türk Dünyası Halkları