The Passing Bells the conclusion of the war. The series was announced by the BBC in October 2013, along with other programmes that played a part in the BBC World War I centenary season. It was a Red Planet Production with BBC Worldwide as the distributor. Filming took place in Poland. Telewizja Polska and Apple Film Production were co-producers. The series aired in the pre-watershed time-slot of 7pm, and the script was written for a younger audience and family viewing. The title was taken from the first line of Wilfred Owen's 1917 poem, "Anthem for Doomed Youth": "What passing-bells for these who die
Ring of bells sound, as the strike occurs whilst the bell is still moving as it approaches top dead centre. Both these effects give full circle ringing of bells in an accurate sequence a distinctive sound which cannot be simulated by chimed bells which are stationary and take more time for each strike to decay. Tower bells are often cast with inscriptions on their sides. These are often as simple as the name of the foundry which cast the bell, or that of its donor. Sometimes, however, bells are named, or bear short mottos. At Amersham in Buckinghamshire the tenor proclaims "Unto the