Thrace is a historical and geographic area in southeast Europe. As a geographical concept, Thrace designates a region bounded by the Balkan Mountains on the north, Rhodope Mountains and the Aegean Sea on the south, and by the Black Sea and the Sea of Marmara on the east. The areas it comprises are southeastern Bulgaria (Northern Thrace), northeastern Greece (Western Thrace), and the European part of Turkey (Eastern Thrace). (http://en.wikipedia.org/wiki/Thrace)
Lablab is a dual-purpose legume. It is traditionally grown as a pulse crop for human consumption in south and southeast Asia and eastern Africa. Flowers and immature pods also used as a vegetable. It is also used as a fodder legume sown for grazing and conservation in broad-acre agricultural systems in tropical environments with a summer rainfall. Also used as green manure, cover crop and in cut-and-carry systems and as a concentrate feed (Adapted from Tropical Forages, 2020 Lablab purpureus https://www.tropicalforages.info/text/entities/lablab_purpureus.htm?zoom_highlight=lablab)
The Maritsa or Evros (Bulgarian: Мариц) is, with a length of 480 km, the longest river that runs solely in the interior of the Balkans. (http://en.wikipedia.org/wiki/Maritsa)