16 April: Dubai Opera hosts Gulf Youth Games opening ceremony, featuring 3,500 athletes in 25 sports.

400 characters summary: The UAE's Dubai Opera will host the Gulf Youth Games opening ceremony on April 16, featuring 3,500 athletes competing in 25 sports. The event highlights themes of sustainability, unity, and youth, with a 40-minute ceremony attended by 1,500 people. The celebration will showcase the Gulf region's culture, heritage, and cutting-edge technology, while emphasizing sustainability in materials used.