Photorealistic cinematic shot, modern day, a formal meeting room in Hanoi or Washington D.C. An American government official in a business suit and a Vietnamese government official in a suit are standing across a wooden table, shaking hands firmly. Both are smiling. Behind them, two flags side by side: the American flag and the Vietnamese flag. On the table, a signed trade agreement document with both country seals. The atmosphere is diplomacy, economic partnership, reconciliation. Bright professional lighting. Historical documentary style, photorealistic, 4K, 16:9, warm colors.