The black-box nature of the Chamber makes deniability easier.

ECONOMIST: Corporate lobbying

The bones, discovered on Mersea Island in 1912, were in a green glass urn, stored in a box that was inside a brick chamber.

BBC: Mersea Island ancient bones to be examined

Beyond the ballot box, then, rears the spectre of a possible stalemate, with one side controlling the Chamber of Deputies and the other the Senate.

ECONOMIST: Italy's election