Having previously experienced Indonesia via a 1988 backpacking romp through Bali’s early-stage wildness and a 1998 trek across tribal Irian Jaya, I knew of Indonesia’s diversity with its incredible 17,000 islands. Sumatra, the world’s sixth-largest island, eluded me until I landed in West Sumatra, a region overlooked by most travelers, to experience its priority of preserving and celebrating nature.