Simplify the following text for a Grade 10 native English-speaking person.
Original: The mall 's concept was designed by Triple Five Group , owned by the Ghermezian brothers of Canada , who also own the biggest shopping mall in North America , the West Edmonton Mall .
Simplified: The mall was designed and built by Triple Five Group , owned by the Ghermezian brothers of Canada , who also own the biggest shopping mall in North America , the West Edmonton Mall .