Architectural collage illustration style combining realistic materials and vegetation with flat vector characters and hand-drawn line art decorative elements and semi-transparent overlay materials. Sky blue flat background with prominent flat circular sun, few hand-drawn line art clouds and birds. Background houses, midground vegetable garden with research students activities, foreground wooden hard ground with colorful vegetable gardens and research student groups with larger character proportions. Bright warm diffused lighting with soft short shadows maintaining flat appearance. Warm yellow autumn tones contrasting with blue ground and facilities. Lively, dreamy, childlike atmosphere with intergenerational integration and bright artistic collage feeling.