Warning: Object of class Drupal\Core\Render\Markup could not be converted to float in Twig\Extension\CoreExtension->formatNumber() (line 659 of /mnt/www/html/clonesardegnaturismoznrmq9ooav/vendor/twig/twig/src/Extension/CoreExtension.php).
Warning: Object of class Drupal\Core\Render\Markup could not be converted to float in Twig\Extension\CoreExtension->formatNumber() (line 659 of /mnt/www/html/clonesardegnaturismoznrmq9ooav/vendor/twig/twig/src/Extension/CoreExtension.php).
Warning: Object of class Drupal\Core\Render\Markup could not be converted to float in Twig\Extension\CoreExtension->formatNumber() (line 659 of /mnt/www/html/clonesardegnaturismoznrmq9ooav/vendor/twig/twig/src/Extension/CoreExtension.php).
One of the underground wonders of the Island is in the Nuoro area, in the centre of Sardinia, a cave very popular with tourists and speleologists from all over the world, with a limestone column almost 40 metres high