A handout picture provided by the Iranian Army office on Friday shows warships during a joint military drill between China, Iran and Russia in the Gulf of Oman. Armed forces of the three countries' navies are holding the Security Belt-2023 joint maritime military exercise from March 15 to 19. (Photo: VCG)

US Secretary of the Treasury Janet Yellen appears before a Senate hearing to examine the president's proposed budget request for fiscal year 2024 in Washington, DC, on local time Thursday. Yellen claimed the US banking system "remains sound" after bank failures stirred economic fear. (Photo: IC)

Tourists visit a night fair in Dunhuang, Northwest China's Gansu Province, on Thursday. (Photo: Xinhua)

A woman walks past garbage left on the street near the Eiffel Tower in Paris, France, on Wednesday. Garbage is likely to continue accumulating in the French capital, since refuse collectors and street cleaners will be on strike until March 20. (Photo: Xinhua)

Four giant pandas, Shuang Shuang, Chong Chong, Xi Xi and Qing Qing, enjoy their food, attracting many visitors at Chongqing Zoo, on Wednesday. (Photo: China News Service)

Elephants eat fruits during the Thailand's National Elephant Day celebrations in Pattaya, Thailand, on Monday. (Photo: Xinhua)

Sunshine casts rays into Ganquan canyon through the fissures, creating mysterious beauty at Ganquan county of Yan'an, Northwest China's Shaanxi Province, on Monday. Rain, water and wind over millions of years have sculpted its red sandstone into various textures and shapes. (Photo: China News Service)

This aerial photo taken on Wednesday shows a flood-hit area in the town of Tut, Adiyaman province, Türkiye. (Photo: Xinhua)

This photo taken on Wednesday shows a view of the Summer Palace in Beijing, capital of China. (Photo: Xinhua)

Photo taken on Thursday shows magnolia tree blooming at the Tidal Basin in Washington, DC, the United States. (Photo: Xinhua)