urlset xmlns:xsi=“www.w3.org/2001/XMLSchema-instance” xmlns=“www.sitemaps.org/schemas/sitemap/0.9” xsi:schemaLocation=“www.sitemaps.org/schemas/sitemap/0.9 www.sitemaps.org/schemas/sitemap/0.9/sitemap.xsd

- (all_entities).map(&:url).each do |url|
  url
    loc #{url}
    lastmod #{Time.now.iso8601}