karst in yorkshire: a fantastical river flowing through eerily realistic terrains

karst yorkshire river valley rocks matte painting traditional british landscapes terragen national geographic fantastical ruins eerily realistic byam shaw nature scenic geology water landscape rock formations natural beauty countryside rural serene majestic picturesque artistic imagination surreal dreamlike mysterious captivating ethereal yorkshire: flowing terrains flows enclosed towering rocks scene resembles showcasing scottish landscapes atmosphere adds eerie touch reminiscent monumental architecture captures essence photo-realistic quality generated