2/ Strandzha Mountains https://en.wikipedia.org/wiki/Strandzha: 
Strandzha  is a mountain massif in southeastern Bulgaria and East Thrace, the European part of Turkey. It is in the southeastern part of the Balkans between the plains of Thrace to the west, the lowlands near Burgas to the north, and the Black Sea to the east. 
Strandzha Nature Park, established in 1995 in the Bulgarian part of the massif, is the largest protected area in Bulgaria.
STRANDZHA Mt.  info, photos e.g. here 
https://www.enjoy-plovdiv.com/en/experi ... -thracians
Strandzha Mt. is IBA  area 
http://datazone.birdlife.org/site/facts ... a-bulgaria
..." 
This is one of the most important breeding areas in the country for Ciconia nigra ... the mountain is also a major migratory bottleneck site, where more than 33,000 Ciconia ciconia pass overhead each autumn. ... "
Strandzha (only illustration)

source 
https://fest-bg.com/what-to-do-in-th%D0 ... a/?lang=en