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README.md

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+A collection of large-scale, high-quality datasets of URL links of up to 650,000 video clips that cover 400 human action classes. 
+The videos include human-object interactions such as playing instruments, as well as human-human interactions such as shaking hands and hugging. 
+Each action class has at least 400. 
+Each clip is human annotated with a single action class and lasts around 10 seconds.
+
+Originally created by Google Inc. and the dataset has been uploaded as is without any changes.