In my previous post "Embedding Google Cardboard Camera VR Photosphere with A-Frame", I wrote that some talented programmer would probably create a better solution for embedding Google Cardboard camera photosphere using A-Frame.

I didn't know that Chris Car had already created a sophisticated solution for this problem. You can view it here on A-Frame blog.

You first might have to use Google Cardboard camera converter tool to make your Google Cardboard photosphere.

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http://playingwithsid.blogspot.com/2016/08/google-cardboard-360-photosphere-viewer.html