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README.md

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 This is an [Instant-NGP](https://github.com/NVlabs/instant-ngp) renderer implemented using [Taichi](https://github.com/taichi-dev/taichi). It is fun to write this very simple code that allows me to implement even just the rendering part of the NGP, especially when you compare it original repo, which is a hundred lines verse thousands (Instant-NGP and [tiny-cuda-nn](https://github.com/NVlabs/tiny-cuda-nn)).
 
+<p align="center">
+  <img src="https://raw.githubusercontent.com/Linyou/taichi-ngp-renderer/main/example.png", width="45%">
+  <br>
+</p>
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 ## Description
 
 This repository only implemented the forward part of the **Instant-NGP**, which include: