Conversation so far:
What are the circumstances of the origin of the Vlachs?
Vlachs were initially identified and described during the 11th century by George Kedrenos. According to one origin theory, modern Romanians, Moldovans and Aromanians originated from Dacians.
What is notable or interesting about the Vlachs?
According to some linguists and scholars, the Eastern Romance languages prove the survival of the Thraco-Romans in the lower Danube basin during the Migration Period.

Question: What traits do they have?
Self-contained rewrite: What traits do the Vlachs have?