Domus Litonii
... that Domus Litonii is the only remaining 19th-century residential building in the entire centre of Helsinki?
... that <b id="mwA7g"><a href="./Domus_Litonii" id="mwA7k" rel="mw:WikiLink" title="Domus Litonii">Domus Litonii</a></b> is the only remaining 19th-century residential building in the entire centre of <a href="./Helsinki" id="mwA7o" rel="mw:WikiLink" title="Helsinki">Helsinki</a>?