{{- $thumbnail := partial "photos/thumbnail.html" (dict "Page" . "Width" 1280 "Height" 1280) -}}
<item>
  {{ partial "rss_item_metadata.rss" . }}
  <description>{{ `<![CDATA[` | safeHTML }}
    {{- range (partial "photos/list.html" .) -}}
    <img src="{{ .Permalink }}"{{ with .Params.alt }} alt="{{ . }}"{{ end }}>
    {{- end -}}
    {{- .Content -}}
  ]]></description>
</item>