I used to take groups of pupils over to Normandy for a week, and we visited the little markets in various villages around Etretat. There were always the most wonderful cheeses for sale, really strong-flavoured, from small local dairies.
On one of the trips, some of the pupils bought one or two of these cheeses to take home as gifts for their parents. The stench was very noticeable on the coach going to the ferry at Calais. By the time we'd docked at Dover and travelled all the way back to Norwich in our coach, it was overpowering. The poor driver was nearly sick.
I confess I had a couple of the things in my small suitcase... absolutely delicious... :)