The 'locationmode' property is an enumeration that may be specified as:
- One of the following enumeration values:
['ISO-3', 'USA-states', 'country names']
The 'scope' property is an enumeration that may be specified as:
- One of the following enumeration values:
['world', 'usa', 'europe', 'asia', 'africa', 'north
america', 'south america']
https://plot.ly/python/lines-on-maps/#us-flight-paths-map
