Indonesian cities are so crowded you can hid an airliner in your back yard and no one notices.
https://www.google.com/maps/@-8.7653444,115.1788479,222m/data=!3m1!1e3
Bruce
https://www.google.com/maps/@-8.7653444,115.1788479,222m/data=!3m1!1e3
Bruce