“…The idea of shifting the position of sustainable ecotourism to four pillars, i.e., environmental, social, economic, and cultural, is beginning to appear in the works of experts in ecotourism in Europe from the 90s of the 20th century, e.g., in France [37,38], Germany [39,40], Finland [41,42], Croatia [43], Greece [35], Russia [44,45], Romania [29], Scotland [46,47], and Turkey [48,49].…”