In July 2018, De Jong moved to Qatari club Al Ahli. Arabic is the official language of Qatar, with Qatari Arabic the local dialect. Saudi Arabia's central bank advised banks not to trade with Qatari banks in Qatari riyals. Sharia law is the main source of Qatari legislation according to Qatar's Constitution. Sharia is the main source of Qatari legislation according to Qatar's Constitution. It also caused some problems between the Bahraini and the Qatari governments. Saudi and Qatari forces had a total of 18 dead. Substantial development in the pearling industry around the Qatari Peninsula occurred during the Abbasid era. Al Jazeera Media Network is a Private Foundation or Public Benefit under Qatari law. Al Jazeera Media Network is a news channel for public benefit under Qatari law. Egypt closed its airspace and seaports to all Qatari transportation. Egyptian citizens also launched an online campaign denouncing the Qatari government. These allegations were based on information from a whistleblower involved with the Qatari bid. It is still practiced by some classes of Qatari society. The design is intended to be representative of Qatari culture.