Occurrence of Attributes in Original Text

The text related to the cultural heritage 'Pirin National Park' has mentioned 'Wall' in the following places:
Occurrence Sentence Text Source
[51][56] There are Central European species (fire salamander, yellow-bellied toad, smooth snake), Palearctic (common toad, European green toad, common frog), Euro-Siberian (European tree frog, common European viper, grass snake, viviparous lizard), Irano-Turanian (marsh frog), Southern European (agile frog), Euro-Mediterranean (European green lizard), Mediterranean (common wall lizard) and Balkan (Erhard's wall lizard).