Newbie need help Buildings not displayed in track...

Hi! here is my process: I build my track with RTB and the buildings with Blosm, I first open the FBX track file in KsEditor then the FBX building file. After loading the track I don't see any buildings where they should be... Thank you for your help ,regards

 

Ok issue solved !,I have to build everything with Blender: road ,buildings, terrain etc