St Marys Church - Haddington 

The Collegiate Church of St Mary the Virgin is a Church of Scotland parish church in Haddington, East Lothian, Scotland.
Building work on the church was started in 1380, and further building and rebuilding has taken place up to the present day. It is the longest church in Scotland, at 206 feet (62.8 metres) from east to west,[1] and is in the early Gothic style.
This footage was shot as the beginning of a promotional piece which never came about. Filmed in 2011.