Complete the following sentence: During Posner's tenure, the Center has studied the treatment of migrant workers in the construction industry in the Persian Gulf region, including practices like charging workers exorbitant recruitment fees, employers withholding workers' passports, mandatory overtime and crowded dormitories. Eleyi ti a ti nlọ lọwọ ẹtọ eniyan ibakcdun fun ikole ise agbese bi awọn
2022 FIFA World Cup ni Qatar ati NYU's portal campus NYU Abu Dhabi.