raise("The minimum latitude must be less than the maximum latitude, but it wasn't")
end
unless min_lon >= -180 && min_lat >= -90 && max_lon <= 180 && max_lat <= 90
+ # Due to sanitize_boundaries, it is highly unlikely we'll actually get here
raise("The latitudes must be between -90 and 90, and longitudes between -180 and 180")
end