The government says that a pyre's output is equivalent only to that produced by two bonfire nights.

BBC: Foot-and-mouth pyres: Dioxin danger?

The Blue Train chugs along with only two, each lasting no more than two nights.

FORBES: Global Life

The same fare, however, is now available through Cathay's own online booking service, though for some reason, only if the passenger stays three nights, instead of just two.

CNN: Technology: Flight Planning 101