Which annual pilgrimage, recognised by UNESCO as an intangible cultural heritage, is the world's largest peaceful congregation that rotates among four sacred riverbank sites?

• A Kumbh Mela ✓
• B Rath Yatra
• C Pushkar Fair
• D Amarnath Yatra

The Kumbh Mela is a mass Hindu pilgrimage held at four rotating locations (Prayagraj, Haridwar, Ujjain, Nashik) and is the largest peaceful gathering on Earth.