Simplify the following text for a Grade 11 native English-speaking person.
Original: He modeled them on temples , pyramids , and ancient ruins , taking ideas from architectural history books that he studied at the nearby BibliothÃ que Nationale , thanks to the enlightened attitude of his first employer Bailly .
Simplified: He modelled them on temples , pyramids , and ancient ruins which he read about in the books he studied at the French national library ( BibliothÃ que Nationale ) .