This CityGML file contains examples for transportation objects, water bodies, and groups. However, the geometries do not make sense; they are only included to illustrate the document structuring. One element of the group again is a group. The elements of this group are referenced by their ID. Roads and Areas of the 3D City Model of Bonn being of interest for tourists 0.0 0.0 0.0 33.0 34.0 2.5 Group of Roads and Water bodies Roads and Areas in Bonn being of interest for tourists Adenauerallee B 9 113 1 1 1.0 1.0 0.0 3.0 1.0 0.0 3.0 1.0 1.5 2.0 1.0 2.5 1.0 1.0 1.5 1.0 1.0 0.0 2 1.0 1.0 0.0 3.0 1.0 0.0 3.0 1.0 1.5 2.0 1.0 2.5 1.0 1.0 1.5 1.0 1.0 0.0 3 1.0 1.0 0.0 3.0 1.0 0.0 3.0 1.0 1.5 2.0 1.0 2.5 1.0 1.0 1.5 1.0 1.0 0.0 31 1.0 1.0 0.0 3.0 1.0 0.0 3.0 1.0 1.5 2.0 1.0 2.5 1.0 1.0 1.5 1.0 1.0 0.0 Bonngasse 1.0 1.0 0.0 3.0 1.0 0.0 3.0 1.0 1.5 2.0 1.0 2.5 1.0 1.0 1.5 1.0 1.0 0.0 Hofgarten 1.0 1.0 0.0 3.0 1.0 0.0 3.0 1.0 1.5 2.0 1.0 2.5 1.0 1.0 1.5 1.0 1.0 0.0 Ruhr 20 1.0 1.0 0.0 3.0 1.0 0.0 3.0 1.0 1.5 2.0 1.0 2.5 1.0 1.0 1.5 1.0 1.0 0.0 "Roads and Areas suitable for handicapped persons"