Portugal. by João Palma
Asse, Belgium
Domaine de Restinclières, France
North Western Switzerland. Photo by Felix Herzog
Foros de Vale Figueira, Portugal by João Palma
near Portalegre, Portugal by João Palma
Mértola, Portugal. Photo by Ana Tomás
Source: P. Verdonckt, B. Reubens and V. Nelissen
Source: Jo Smith and Sally Westaway
Source: Michael den Herder (EFI)
Source: Alice Ripamonti and Michael den Herder
Source: Michael den Herder (EFI) & Joana Amaral Paulo (ISA/CEF)
Source: Robert Borek and Andrzej Księżniak (IUNG)