Anton Orlov runs the Photo Palace Bus from his base in San Diego, a travelling darkroom project dedicated to this art, and it is this love of the process, as well as the end result, that has led him to not one, but two, magnificent finds.

BBC: Uncovering the past

This has led to the long-held fear that the differences of approach within the church could result in a stand-off in conclave between a big European block and a smaller, but obstructive, Latin American one.

ECONOMIST: How to find a pope for all Catholics?