The promotional video from PC Aviator gives a good indication of where terrain mesh and mapping was at in 2004 for Microsoft Flight Simulator 2004. "Seattle and 30,000 Square Miles (76,000 sq km) of Spectacular Surrounding Areas of The Pacific Northwest and Washington State. ... MegaCity Technology brings out the finest real-world detail in the city down to the level of you being able to see vehicles on highways and sandtraps on golf courses."