Isometric Miniature Museum Poster Grid

2x2 grid, 16:9, do search, visualize 4 hot button issues of this week: Generate an isometric miniature-museum poster grid for [TOPIC]. Infer MILESTONE_COUNT (default 9) unless MILESTONE_SET supplied; [3x3] grid. Each panel is a cutaway isometric gallery room: 1. era marker on the room's wall plaque 2. huge title floating above the room as dimensional letters 3. tagline (max 8 words) on a gallery wall label 4. HERO_VISUAL: the central exhibit on a plinth under a spotlight 5. archival layer: vitrines of tiny documents, framed diagrams, maps, instruments, visitor figures for scale 6. footer: gallery number, wing name placeholder, audio-guide code Room architecture, flooring, and wall colors evolve with each era. Unified by identical 30° isometric angle, soft ambient-occlusion lighting, and a consistent pastel-and-white base. Clean 3D render, tilt-shift miniature feel. No invented specifics unless supplied.