His Royal Highness Prince Mohammed bin Salman bin Abdulaziz Al Saud, Deputy Crown Prince, Second Deputy Prime Minister and Minister of Defense, headed the delegation of the Kingdom of Saudi Arabia participating in the G20 Summit in China.

Then commemorative photos were taken of His Highness the Crown Prince and the leaders of the G20 countries participating in the summit.

Leaders of major countries began their meeting on Sunday in an effort to revive the slowing global economy while Chinese President Xi Jinping, who is hosting the G20 summit, called on leaders to deliver real results and avoid "useless talk."

His Highness the Crown Prince and the G20 leaders taking part in the summit then took souvenir photos.

The leaders and heads of delegations of the participating countries then headed to the main hall of the summit, where the summit began with a session titled "Strengthening policy coordination and opening a path for growth."

Xi welcomed the heads of state and government at the G20 summit, shaking hands with them one by one, and particularly squeezed the hand of US President Barack Obama amid smiles of the two leaders despite the protocol incident at the beginning of Obama's visit.

In the circular conference hall in Hangzhou - a city famous for its beautiful scenery that has been emptied of residents as part of security measures - Xi told the leaders that the G20 summit "should strive for real action and not just useless talk."

Xi told the leaders that the G20 summit “should strive for real action and not just useless talk.”

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China is hoping for a successful conference to emerge as a confident and strong country ready to play its role on the international stage in line with its status as the world's second largest economy.

China is hoping for a successful conference to emerge as a confident and strong country ready to play its role on the international stage.

The summit brings together representatives from the G20, which accounts for 85% of global GDP and two-thirds of the world's population.

But experts expect the summit to produce no real results, as the world is not currently suffering from a severe crisis that would prompt them to defy rising populist sentiment and take difficult steps such as trade liberalization to tackle the world's toughest issues.

However, experts expect the summit to produce no real results.

The summit has been preceded by a flurry of diplomatic activity in China on issues including climate change, the war in Syria and international trade.

China and the United States on Saturday ratified the Paris Climate Agreement, a critical step toward implementing the pact aimed at curbing climate change.

China and the United States on Saturday ratified the Paris Climate Agreement, a critical step toward implementing the agreement aimed at curbing climate change.

On Sunday, UN Secretary-General Ban Ki-moon praised both Xi and Obama after personally receiving the ratification documents from them, saying they had taken a "historic step" and called on other G20 leaders to do the same.

On Sunday, UN Secretary-General Ban Ki-moon praised both Xi and Obama after personally receiving their ratification documents.