Original: It was not until the early 2000s when the genre exploded into prominence , particularly in Finland with the efforts of such groups as Finntroll , Ensiferum , Korpiklaani , Turisas , and Moonsorrow .
Simplified: In the early 2000s Folk metal became a lot more popular , especially in Finland with bands such as Ensiferum , Turisas , Korpiklaani , Finntroll and Moonsorrow .