Watch | Why the Petromax lantern is still unique

Despite its diminishing sheen, the legacy of Petromax lamp continues to flicker in Long Bazaar, a landmark in Vellore, about 140 kms north of Chennai.

Watch | Why the Petromax lantern is still unique
Despite its diminishing sheen, the legacy of Petromax lamp continues to flicker in Long Bazaar, a landmark in Vellore, about 140 kms north of Chennai.