ss='kw'>stroke_to</span> <span class='kw'>=</span> <span class='st'>"airport2"</span>
  , <span class='kw'>stroke_width</span> <span class='kw'>=</span> <span class='st'>"stroke"</span>
  , <span class='kw'>trail_length</span> <span class='kw'>=</span> <span class='fl'>10</span>
  , <span class='kw'>animation_speed</span> <span class='kw'>=</span> <span class='fl'>15</span>
  )</div><div class='output co'>#&gt; <span class='message'>animated_arc is an experimental layer and the function may change without w