Gaurav Jain is questioning something we were told and have believed in since we were kids: that Earth is a globe.
Shravanabelagola, a centre of pilgrimage (tirtha) for the Jains, has a pictorial representation of the Jain cosmology.
The Jambudvipa map shows the continent or island where our Earth is, which in turn exists in Madhya Loka, home to humans and animals.
According to Jain (and Jainism), we live in the southernmost part of Jambu Island (what you see in yellow right at the very bottom).
Jain claims to have finally seen the two suns described in Jain cosmology during a trip in 2016 to a conference on veganism in Klagenfurt, Austria. Look at the photo closely to figure what Jain believes are two suns.
Jain at Borobudur Temple, a 9th-century Mahayana Buddhist temple, in Central Java, Indonesia. Buddhism's cosmology has much in common with modern proponents of Flat Earth cosmology.