Demo:Gallery/Slideshow widget default navigation with overlay option

From semantic-mediawiki.org
GalleryDemo:Gallery/Slideshow widget default navigation with overlay option
{{#ask: [[has image collection::city images]]
|?Has description
|widths=180
|heights=180
|captionproperty=Has description
|format=gallery
|widget=slideshow
|navigation=
|order=random
|overlay=yes
|class=
}}