Update README.md

README.md

@@ -30,6 +30,17 @@ Checkout 2-NFE visualization of TwinFlow-Z-Image-Turbo-exp 👇
 
 ![](https://raw.githubusercontent.com/inclusionAI/TwinFlow/refs/heads/main/assets/twinflow_z_2step.jpg)
 
+<details>
+<summary>👀 Original Z-Image-Turbo 2-NFE</summary>
+
+<div align="center">
+  <img src="https://raw.githubusercontent.com/inclusionAI/TwinFlow/refs/heads/main/assets/z_turbo_2step.jpg" width="1000" />
+  <p style="margin-top: 8px; font-size: 14px; color: #666; font-weight: bold;">
+    2-NFE visualization of Z-Image-Turbo
+  </p>
+</div>
+
+</details>
 
 ### Overview