tiles

Currently, we don't have any test and I really want to ensure that everything keeps working fine on the future changes and avoid bugs in the application. However, It's a great opportunity to learn and improve the skills to build tests in React.

What are we expecting?

• Choose the best suit test (Jest, chai, whatever you prefer);
• Split the code into smaller parts;
• 100% cov

I created a report (#182) because, as a newbie to Mapwarper, I didn't realize how to enter lat-long manually for the control points. I was confused by the GUI - I didn't understand what I was seeing. Here is what ran through my mind when I first saw the Rectify page after importing my PNG file:

1. I saw my image on the left, and the world map on the right. I wondered why the world was shown the

Trying to locate intended island is tricky.

Looking at https://www.openstreetmap.org/#map=10/37.3849/24.9115&layers=Y there are several stylings:

OSM Carto showing just local labels - what is useful if you can read it.
Cyclosm not showing island labels at all
Transport Map showing also transliteration/translation but only for city names

![screen04](https://user-images.githubusercontent.