# Threshold

Interactive experiment · 2026

![A silhouetted figure standing before a tall doorway of orange light in a black hall, the spill dragging their shadow across a concrete floor](https://www.yadongxie.com/lab/threshold.webp)

A figure at a doorway that burns orange in a black hall — one photograph, rebuilt as a room and lit in real time.

This is an interactive piece that runs in the browser; there is nothing more of it to read. Open https://www.yadongxie.com/lab/threshold to use it.