(250710) -- KUNMING, July 10, 2025 (Xinhua) -- This photo taken on July 10, 2025 shows amber jewelry displayed at the 2025 China Kunming International Stone Expo in Kunming, southwest China's Yunnan Province. The 2025 China Kunming International Stone Expo opened in Kunming Thursday. The 5-day expo covers an area of about 50,000 square meters, gathering over 100 domestic and foreign business associations and exhibition groups. (Xinhua/Chen Xinbo)