City map Light Regionalverband FrankfurtRheinMain — Classified streets (generalised)

City map of the Regional Association FrankfurtRheinMain Optimised as a background map with simplified display and reduced data.法兰克福莱茵美因地区协会（Regional Association FrankfurtRheinMain）的城市地图，经优化用作底图，采用简化显示与精简数据处理。