Traseu Markovo Tsar Kaloyan OSM relation 13435544 — © OpenStreetMap contributors (ODbL); altitudini SRTM 30 m (opentopodata.org) · Reference line, not a navigation track. Traseu Markovo Tsar Kaloyan OSM relation 13435544 — © OpenStreetMap contributors (ODbL); altitudini SRTM 30 m (opentopodata.org) · Reference line, not a navigation track. 589 589 588 588 588 588 585 585 585 585 585 578 578 578 578 576 576 576