For full functionality, we recommend downloading the Original format.The Converted version is intended for web viewing only. In the Original format, the following are fully preserved:✔ original scene hierarchy✔ complete materials without reduction✔ proper texture maps✔ correct object namesIf you intend to use the asset in a production environment, select the original version.this Building model is midpoly all materials are made in Substance painter it s also contain lowpoly interior furniture and rooftops.I took the reference from Buildings in Brooklyn New York.