Spanish style

This photo was taken by the fine Canadian film maker Bill Stone in Mallorca.It shows how there are different methods of dealing with dry stone in addition to the traditional coursed system often used here in the UK .Round the mediterranean region the problem with durability is the threat of flash flooding.In order to cope with these occasional events the builders leave spaces between the rocks and avoid horizontal bedding which would create lines of weakness with the sudden pressure of water building up behind the retaining wall.