CAIRO: The Egyptian Ministry of Culture will celebrate the opening of the 11th Castle Festival on July 20. The festival holds musical events at the Salah el-Din Castle in Cairo. The festival will last from July 20-30. The festival is organized by the Egyptian Opera House and headed by Abdul Moneim Kamel, head of the Opera House. The festival program includes various artists performing on two stages. The first stage is the Police Panorama, which will present the Cairo Orchestra, led by Nayer Nagiand and accompanied by Opera Cairo soloists. The other is the Mahka stage, which will presents singers such as Ali Alhagar, Mohamed Alhew, Medhat Salaeh and others.