<prompt> Translate the following text to EnglishKabla ya kufunguliwa kwa maonyesho ya Majumba ya St. Petersburg hadi Agosti 31, mafundi wa Urusi na Marekani kwa bidii walibadilisha Mississippi Arts Pavilion kuwa vyumba vilivyopangwa kwa utajiri vilivyobadilishwa kutoka nyumba za tsars, vilivyofunikwa na michoro na fanicha halisi.  <response>: Before the opening of the Palaces of St. Petersburg exhibition through Aug. 31, Russian and American artisans painstakingly transformed the Mississippi Arts Pavilion into lavishly appointed rooms adapted from the homes of the czars, fitted out with authentic paintings and furnishings. 