Hellinikon Olympic Complex
It was built on the site of the former Hellinikon International Airport for the staging of the 2004 Summer Olympics and 2004 Summer Paralympics . 
<triplet> 2004 Summer Olympics <subj> 2004 <obj> point in time <subj> 2004 <obj> point in time <triplet> 2004 Summer Paralympics <subj> 2004 <obj> point in time <subj> 2004 <obj> point in time