Dutch architect Rem Koolhaas : his greatest achievement is the tallest building in Rome . The 54-floor tower employs 10,000 workers in two adjoining towers , took 10 years to complete . Critics : ' `` So I think , in spite of its apparently simple manifestation , it 's an incredible box full of tricks , and interesting differences somehow working together . '' Pantheon is ` ` box of tricks '' that ` ` takes you to another world ''
Dutch architect Rem Koolhaas : his greatest achievement is the tallest building in Rome . The 54-floor tower employs 10,000 workers in two adjoining towers , took 10 years to complete . Critics : ' Pantheon is ` ` box of tricks '' that ` ` takes you to another world ''