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
Bells Line of Road proceeds through the Blue Mountains National Park passing Mount Bell and Mount Charles as well as picnic areas such as Pierces Pass and Mount Banks. before Bell is the turn off to the villages of Mount Wilson and Mount Irvine. The western terminus of the road is at Bell where the Bells Line of Road forms a junction with the Darling Causeway and the Chifley Road, with the latter continuing west to . The route has numerous sections of road that are steep and winding. The prime example of this is Bellbird Hill when the road rises around from the