“…The analysis of photoseries from platforms such as Flickr and Panoramio has already been shown to be a suitable proxy for the empirical estimation of visiting frequency (Da Rugna et al, 2012, Kisilevich et al, 2010, Produit et al, 2014, Sun et al, 2013, Wood et al, 2013. More recently online photo libraries have been used to assess CES (Allan et al, 2015, Arkema at al., 2015, Casalegno et al, 2013, Martínez Pastur et al, 2015, Keeler et al, 2015, Nahuelhual et al, 2013, Richards and Friess, 2015, Willemen et al, 2015.…”