- <li><mark>Ground tiles</mark> using
- <a href="https://en.wikipedia.org/wiki/Mercator_projection">Mercator projection</a>,
- "Mapnik" rendering from <a href="https://www.openstreetmap.org/">OSM</a>
- via KaiRo's tile caching server</li>
+ <li>Ground: <mark>image tiles</mark> as known from
+ <a href="https://www.openstreetmap.org/">OSM</a></li>