The G20 leaders summit meeting will start in Antalya, Turkey, tomorrow with urgent topics high on the agenda, aiming to draw a road map for finding ways to increase the international economic flexibility, boost trade and investment and assist low-income countries and contain the increasing danger of climate change as well as the current situation of energy. The two-day summit, to be chaired by Turkey, is also set to discuss international terrorism, stretching refugees crisis and ways of boosting development rates in the world. The Custodian of the Two Holy Mosques King Salman bin Abdulaziz Al Saud is leading the delegation of the Kingdom of Saudi Arabia to the meeting which also attracts delegates from Argentina, Australia, Brazil, Canada, China, France, Germany, India, Indonesia, Italy, Japan, Mexico, Russia, South Africa, South Korea, Turkey, United Kingdom, United States of America and the European Union in addition to the IMF and WB. In a statement to SPA, Saudi ambassador to Turkey Dr. Adel bin Siraj Mirdad said the participation of the Kingdom of Saudi Arabia in the summit is attributed to the Kingdom's economic leverage at the regional and international political and economic arenas. He said that the Saudi participation comes amid critical economic and political circumstances in the world of today which is gearing forward to hear from the summit new practical solutions to the economic recess as well as a number of political files, including the crisis in Syria and terrorism combat. The members of the G20 represent 90% of the GNP, 80% of the world trade and accommodate two thirds of the world population.