Complex sentence: Kaziuko mugė-is a biggest annual Lithuanian folk crafts fair dating back to the beginning of the 17th century, then held at the two main market places of Vilnius, Lithuania, as well as in the city streets.
Split into simpler sentences: Kaziuko mugė is a large annual Lithuanian folk arts and crafts fair dating to the beginning of the 17th century. It was originally held at the two main markets in Vilnius, Lithuania, as well as in the city streets.