- mirela.bg ru/index.php…
- bulgaria-dobrich.eu turizm-v-bolgarii/krepost-…
- wikiway.com bolgaria/krepost-tsarevets/
- ok.ru video/278407156201
- tumblr.com tagged/царевец?sort=topSee a recent post on Tumblr from @me-sharing-with-the-world about царевец.
- Vizit-Bulgaria.ru krepost-tsarevets/