“…In the remote sensing domain, historical aerial photographs were captured for various parts of the world starting in the early 1930s (Luman et al, 1997). Historical aerial black and white photographs have served as a key input for topics as different as for instance, landslide inventory and distribution analysis (Martha et al, 2012;Shu et al, 2019), vegetation dynamic studies (Carter et al, 2011;Hudak and Wessman, 1998;Jeter Jr and Carter, 2016;Kadmon and Harari-kremer, 1999;Lucas et al, 2010;Miller, 1999), landcover mapping (Caridade et al, 2008;Pinto et al, 2019;Robertson, 2012) and the evolution of river morphology (Abate et al, 2015).…”