Contest #744 Hint

That curvy line about 100m to the east of central object in the picture is part of a bobsled track. Neither have worked since the war.

9 Replies to “Contest #744 Hint”

  1. Bistrik Tower aka Ruins Čolina Kapa Astronomical Observatory, Sarajevo, Bosnia

  2. Bistrik Tower / Čolina Kapa Observatory ruins, on Mount Trebević, Sarajevo, Bosnia and Herzegovina

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