A single, pristine grain of wheat that lay for more than 100 years in the belly of a stuffed crocodile in Singapore has found a final resting place, deep in the ground next to a seed vault in icy Norway, as part of an art exhibition.

Its circuitous journey from its place of origin - likely to have been India - to Singapore and beyond, and what it tells of the colonial history of this part of the world, has fascinated a group of artists working at the intersection of culture and nature since its discovery in May.