Southwestern-style amphitheater, adobe-inspired architecture, curved seating areas, natural stone walls, rustic wooden accents, vibrant turquoise details, desert botanical gardens, cacti silhouettes, warm sunny day, soft ambient lighting, shallow depth of field, 3/4 composition, panoramic view, realistic textures, ambient occlusion, optimal sound diffusion, strategically placed loudspeakers, resonant frequency consideration, echo reduction materials, audience seating arrangements, performer stage design, sound wave propagation analysis.