(260621) — BUERGENSTOCK, June 21, 2026 (Xinhua) — This photo taken on June 21, 2026 shows a sign outside Buergenstock mountain resort in central Switzerland. U.S. and Iranian negotiators started talks Sunday at Buergenstock mountain resort in central Switzerland on implementing a memorandum of understanding signed by the two sides to reach a final deal. (Xinhua/Lian Yi)
