The belle epoch refers to the era of gracious living, when the wealthy sailed on grand yachts along the Nile, Lake Como, Lake Geneva, and other prominent vacation spots. They were beautiful ships with staterooms that featured architectural details normally reserved for grand homes.
Apart from Hercule Poirot's cruise down the Nile in Agatha Christie's "Death on the Nile," we don't often see vintage yachts. And, yet, they have not all faded away. The M/Y Madiz on which "Problem at Sea" -- television's adaptation of "Death on the Nile" -- was filmed, is still sailing. The following picture shows the Madiz in "Problem at Sea."