This mod simplifies the passage of the mission "Demoman", it is also "mission with a helicopter". Now the building under construction will have windows through which it is much easier to fly inside.
Installation: 1) Use CollEditor to replace bldngst2mesh.col in file nbeachw.col 2) Using the IMG editor, add with the replacement bldngst2mesh.dff and buildingite2.txd in gta3.img