Which French metal festival, held in Clisson each June, has grown to become one of the largest heavy music events in Europe, attracting over 180,000 fans?

• A Download Festival Paris
• B Hellfest ✓
• C Motocultor
• D Sylak Open Air

Hellfest began in 2006 and features extreme metal, hard rock, and punk on six stages across a sprawling festival ground.