# File lib/flickr/base.rb, line 520
        def self.from_xml(xml,flickr=self)
                att = xml.root.attributes
                list = Flickr::PhotoList.new(att['page'].to_i,att['pages'].to_i,
                        att['perpage'].to_i,att['total'].to_i)
                xml.elements['/photos'].each_element do |e|
                        list << Flickr::Photo.from_xml(e,flickr)
                end
                return list
        end