gpx track: https://www.komoot.com/tour/338206581/zoom
photos: https://photos.app.goo.gl/JmJLo1W9fiLoWAKD8
video: https://youtu.be/affz4O_o53U
To fly through the route click on the plane (on the left): https://fatmap.com/adventureid/6770755/2021-03-21-vitosha-zheleznitsa-fizkulturnik-zheleznitsa