HH the Deputy Emir and Heir Apparent Sheikh Tamim bin Hamad Al Thani participated with children in the sports activities organized by Qatar Orphan Foundation (Dhreima) at Alarabi Sports Club on Tuesday morning to mark Qatar National Sport Day. HH the Deputy Emir and Heir Apparent also took part in the sports activities held at the Khalifa International Tennis and Squash Complex and toured the complex facilities including the Heritage Village, the Kids Village and the VIP Village.  (QNA)