Rule of thumb is, if you can see it from cruising altitude of large airplane, it can be visualized with 100% quality in 4K. YES: - countries, regions, or large cities - mountains, valleys, canyons - islands, coastal features, bays - national parks, large forests, river estuaries NO: - people, vehicles, individual buildings - places unavailble in public datasets (military installations) - recent changes to landscape (large landslides, fires, volcanic activities)