Workshop - Le Wast

2-day training organised by the Natural Regional Park "Caps et Marais d'Opale" (62) for the personnel of various organisations from Boulonnais. This was followed by the creation of a boundary wall started in 2014 1.5 m high with a retaining base.

Year: 2015

Site: Pas de Calais - France

Tags: Limestone - Sandstone - Training course - Retaining wall