The DEMO version only includes 4 pages:
http://jtethys.org
http://jtethys.org/category/osusume.html
http://jtethys.org/category/review.html
http://jtethys.org/category/area.html

It is possible to download these free files and install them on your server, so you can test how the site works.
Visit https://www.waybackmachinedownloader.com/en/buy-wayback-machine-downloader-recover/ to buy a fully functioning site.
Go back to the index page