> For the complete documentation index, see [llms.txt](https://en.chanyuan8.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://en.chanyuan8.org/china-yinyi-ecovillage/what-did-the-builders-do-yesterday.md).

# What did the builders do yesterday?

Xue Feng

2015-11-07

<div data-full-width="false"><figure><img src="https://content.gitbook.com/content/TogjG2olDsFJ4iM5TBuh/blobs/hkysaiVfxtmYcQoTydQS/20200324_074021_674.jpg" alt=""><figcaption></figcaption></figure></div>

<figure><img src="https://content.gitbook.com/content/TogjG2olDsFJ4iM5TBuh/blobs/HtLV4qjVrJ1oF2PKjrOV/20200324_074021_675.jpg" alt=""><figcaption></figcaption></figure>

<figure><img src="https://content.gitbook.com/content/TogjG2olDsFJ4iM5TBuh/blobs/sGqktk0AE8wrIVPt4OQk/20200324_074021_677.jpg" alt=""><figcaption></figcaption></figure>

<figure><img src="https://content.gitbook.com/content/TogjG2olDsFJ4iM5TBuh/blobs/Rq4TJxpx7bkYsCZ7ar9i/20200324_074021_679.jpg" alt=""><figcaption></figcaption></figure>

<figure><img src="https://content.gitbook.com/content/TogjG2olDsFJ4iM5TBuh/blobs/b9p3QmtIY3zmmaUy1lJU/20200324_074021_680.jpg" alt=""><figcaption></figcaption></figure>

<figure><img src="https://content.gitbook.com/content/TogjG2olDsFJ4iM5TBuh/blobs/1qrg26TuTVbvL0qeZuzJ/20200324_074021_681.jpg" alt=""><figcaption></figcaption></figure>

<figure><img src="https://content.gitbook.com/content/TogjG2olDsFJ4iM5TBuh/blobs/HASvE8HdAMV4DV3MIwyO/20200324_074021_682.jpg" alt=""><figcaption></figcaption></figure>

<figure><img src="https://content.gitbook.com/content/TogjG2olDsFJ4iM5TBuh/blobs/2REw0C7Gkbjp8p7moUVw/20200324_074021_683.jpg" alt=""><figcaption></figcaption></figure>

<figure><img src="https://content.gitbook.com/content/TogjG2olDsFJ4iM5TBuh/blobs/hkfmCon4Dkb7P3Wrnaad/20200324_074021_684.jpg" alt=""><figcaption></figcaption></figure>

<figure><img src="https://content.gitbook.com/content/TogjG2olDsFJ4iM5TBuh/blobs/D7hVBTTNBCUgG0067xk3/20200324_074021_685.jpg" alt=""><figcaption></figcaption></figure>

<figure><img src="https://content.gitbook.com/content/TogjG2olDsFJ4iM5TBuh/blobs/gd29M6dmjmq8d0HgfbVQ/20200324_074021_686.jpg" alt=""><figcaption></figcaption></figure>

<figure><img src="https://content.gitbook.com/content/TogjG2olDsFJ4iM5TBuh/blobs/FRO3PhmGGoi7MS78muqu/20200324_074021_687.jpg" alt=""><figcaption></figcaption></figure>

<figure><img src="https://content.gitbook.com/content/TogjG2olDsFJ4iM5TBuh/blobs/33r3N5svNdn2TeCvXxP9/20200324_074021_688.jpg" alt=""><figcaption></figcaption></figure>

<figure><img src="https://content.gitbook.com/content/TogjG2olDsFJ4iM5TBuh/blobs/70OWyZ14f7sq7XULu536/20200324_074021_689.jpg" alt=""><figcaption></figcaption></figure>

<figure><img src="https://content.gitbook.com/content/TogjG2olDsFJ4iM5TBuh/blobs/GHgyAo4mRVpQNdLLyJ4K/20200324_074021_691.jpg" alt=""><figcaption></figcaption></figure>

<figure><img src="https://content.gitbook.com/content/TogjG2olDsFJ4iM5TBuh/blobs/dT1ngfdJn5Ly74j5HOzD/20200324_074021_693.jpg" alt=""><figcaption></figcaption></figure>

<figure><img src="https://content.gitbook.com/content/TogjG2olDsFJ4iM5TBuh/blobs/gUxIslNhfZQBMSts1GrE/20200324_074021_694.jpg" alt=""><figcaption></figcaption></figure>

<figure><img src="https://content.gitbook.com/content/TogjG2olDsFJ4iM5TBuh/blobs/snU0AvP2ajxeM6RuAlNp/20200324_074021_695.jpg" alt=""><figcaption></figcaption></figure>

<figure><img src="https://content.gitbook.com/content/TogjG2olDsFJ4iM5TBuh/blobs/bMslUStoD4VEeBAcIBeD/20200324_074021_697.jpg" alt=""><figcaption></figcaption></figure>

<figure><img src="https://content.gitbook.com/content/TogjG2olDsFJ4iM5TBuh/blobs/gvSwd4TvyfpT8yZKnhLu/20200324_074021_699.jpg" alt=""><figcaption></figcaption></figure>

<figure><img src="https://content.gitbook.com/content/TogjG2olDsFJ4iM5TBuh/blobs/BTJeUb4PlawrdmXuFOVQ/20200324_074021_701.jpg" alt=""><figcaption></figcaption></figure>

<figure><img src="https://content.gitbook.com/content/TogjG2olDsFJ4iM5TBuh/blobs/lqt92J172MklGQjedego/20200324_074021_703.jpg" alt=""><figcaption></figcaption></figure>

<figure><img src="https://content.gitbook.com/content/TogjG2olDsFJ4iM5TBuh/blobs/i9vgHjqWAwYHLeApYZAw/20200324_074021_704.jpg" alt=""><figcaption></figcaption></figure>

<figure><img src="https://content.gitbook.com/content/TogjG2olDsFJ4iM5TBuh/blobs/63Bxj9CCG4f0gK8xfbdI/20200324_074021_705.jpg" alt=""><figcaption></figcaption></figure>

<figure><img src="https://content.gitbook.com/content/TogjG2olDsFJ4iM5TBuh/blobs/OCffhbYIDHHSi6rm8Pyz/20200324_074021_709.jpg" alt=""><figcaption></figcaption></figure>

<figure><img src="https://content.gitbook.com/content/TogjG2olDsFJ4iM5TBuh/blobs/IxhfQuSYLMsuqriCUrFe/20200324_074021_711.jpg" alt=""><figcaption></figcaption></figure>

<figure><img src="https://content.gitbook.com/content/TogjG2olDsFJ4iM5TBuh/blobs/1EWPb3SANwG3fVUaUjIr/20200324_074021_713.jpg" alt=""><figcaption></figcaption></figure>

<figure><img src="https://content.gitbook.com/content/TogjG2olDsFJ4iM5TBuh/blobs/ZE6GpUMc0EoyMh4p4Snl/20200324_074021_717.jpg" alt=""><figcaption></figcaption></figure>

<figure><img src="https://content.gitbook.com/content/TogjG2olDsFJ4iM5TBuh/blobs/SBbth9bVx6hDd5YJDeQo/20200324_074021_720.jpg" alt=""><figcaption></figcaption></figure>

<figure><img src="https://content.gitbook.com/content/TogjG2olDsFJ4iM5TBuh/blobs/zHiCxHoC59lqe7nPtUak/20200324_074021_721.jpg" alt=""><figcaption></figcaption></figure>

<figure><img src="https://content.gitbook.com/content/TogjG2olDsFJ4iM5TBuh/blobs/M2jj02sL56Zpmt0nJTX8/20200324_074021_723.jpg" alt=""><figcaption></figcaption></figure>

<figure><img src="https://content.gitbook.com/content/TogjG2olDsFJ4iM5TBuh/blobs/i6zFTj2VNag18qH4mtkJ/20200324_074021_725.jpg" alt=""><figcaption></figcaption></figure>

<figure><img src="https://content.gitbook.com/content/TogjG2olDsFJ4iM5TBuh/blobs/xs3eRHiuc6ybpwBR6Ko7/20200324_074021_726.jpg" alt=""><figcaption></figcaption></figure>

<figure><img src="https://content.gitbook.com/content/TogjG2olDsFJ4iM5TBuh/blobs/FamZwF1yvhunawrNpuKR/20200324_074021_729.jpg" alt=""><figcaption></figcaption></figure>

<figure><img src="https://content.gitbook.com/content/TogjG2olDsFJ4iM5TBuh/blobs/E5iAtcn3Cta7YoQcq8sZ/20200324_074021_730.jpg" alt=""><figcaption></figcaption></figure>

<figure><img src="https://content.gitbook.com/content/TogjG2olDsFJ4iM5TBuh/blobs/RMoPX4POAu9Z4SVs4YZx/20200324_074021_731.jpg" alt=""><figcaption></figcaption></figure>

<figure><img src="https://content.gitbook.com/content/TogjG2olDsFJ4iM5TBuh/blobs/otrrqjHyaR1GDQvQrKVI/20200324_074021_734.jpg" alt=""><figcaption></figcaption></figure>