Architectural river tour, daytime, sunny weather, calm waters reflecting cityscape, modern skyscrapers, historic villas, grand bridges, paddlewheel boat, tourists on board, wearing casual clothes, holding cameras, life jackets, boat's wooden deck, shiny metal railings, gentle breeze, soft lighting, 3/4 composition, shallow depth of field, warm atmosphere, vibrant city colors, water ripples, scenic riverbank, lush green trees, blooming flowers.