In the presence of Prince Talal bin Abdulaziz, Chairman of Board of Trustees of Arab Network for Non-governmental Organizations, a protocol was signed here today on making Cairo as a headquarters of the network. In a press statement following the signing ceremony, Prince Talal pointed out that in the Arab world, there are a number ranging from 130,000 to 140,000 non-governmental societies which need financial and technical support, stressing that the network activity depends on the performance of the board of trustees.