 The Altar of Forgiveness is located at the front of the central nave . It is the first aspect of the interior that is seen upon entering the cathedral . It was the work of Spanish architect Jerónimo Balbás , and represents the first use of the estípite column ( an inverted triangle @-@ shaped pilaster ) in the Americas . 
 The Altar of Forgiveness is located at the front of the central nave . It <a href='drop_aux' title='1'><mark>is</mark></a>the first aspect of the interior <a href='null_relcl' title='2'><mark>that</mark></a>is seen upon entering the cathedral . It was the work of Spanish architect Jerónimo Balbás , and <a href='uninflect' title='3'><mark>represents</mark></a> the first use of the estípite column ( an inverted triangle @-@ shaped pilaster ) in the Americas . 
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