Drag to orbit the summit. Use a mouse wheel, pinch gesture or zoom buttons to zoom. Select a camera preset or enable automatic orbiting.
Change weather, solar hour, wind and temperature in the left panel. The terrain, sky, snowfall, visibility and rooftop anemometer respond to these controls. Click numbered hotspots for contextual historical notes.
Keyboard: arrow keys rotate, + and − zoom, R reset, Esc close this dialog.
The building shape is approximate and the meteorological calculations are a lightweight teaching model, not live data. Snow and fog scenarios are illustrative.