title: Leaflet.js grid of white lines
body: <p>When I move the map then the map displays a grid of white lines. That comes from what?</p>
  
  <p><a href="https://i.stack.imgur.com/6L4Tm.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/6L4Tm.jpg" alt="1"></a></p>