In Lyon, tomb auctions are big business Choosing a final resting place is serious business in Lyon where auctions for burial plots at the end of their leases attract significant interest. In addition to the headstone, buyers - who must prove that they have a residence in Lyon - have to pay the cost of the vault, set by the town hall according to its size, as well as that of the concession, for a minimum period of 30 years. IMAGES AND SOUNDBITES