What was a walk­way used in the 17th cen­tu­ry by the nuns of the ”’Con­ven­to de San­ta Catali­na”’ to cross over 5A? Aveni­da Norte from their clois­ters to the parochial school with­out hav­ing to ven­ture into the dusty street, is now ”the” clichA tourist pho­to op in Antigua. And with good rea­son a the Arco de San­ta Catali­na is a love­ly sight indeed, crowned by a clock tow­er that was added a bit lat­er, in the 1830s. Today, the arch is looked after by the San­tos fam­i­ly, own­ers of the near­by jew­el­ry store ”’Reino del Jade”’ and ”’Ho­tel El Con­ven­to”’.