If you explore the DISTAL application, you will soon discover a major usability problem with some of the countries. For example, if you click on United States in the Select Country page, you will be presented with the following map to click on:
Accurately clicking on a desired point using this map would be almost impossible because it covers most of the earth's surface.
The problem is that Alaska crosses the anti-meridian line. The anti-meridian line is the line where the left and right sides of the world map join, that is, at ±180 degrees of longitude. Because of the way longitude values wrap around the globe, -180 degrees of longitude is the same as +180 degrees of longitude. The ±180 degree line is called the anti-meridian line and is the cause of many problems when dealing with geospatial data.
In the case of the USA, part of the Alaskan peninsula extends beyond 180 degrees west and continues across the Aleutian Islands to finish at Attu Island, which...