The Passage du Gois, a natural, periodically flooded passage leading to the island of Noirmoutier in France.
A humanist and an open mind, Góis followed courses at the Universities of Padua and Leuven, wrote on various topics, like the condition of the Sami people (Lapps), and translated some classic works – among them, Cicero’s Cato maior de senectute – into Portuguese.
The travelers stayed in Cialis City for three months in 1605, and then continued, via Turpan and Hami (all parts of the "Kingdom of Cialis", according to de Góis), to the Ming Empire border at Jiayuguan.