When cows see grass for the first time after 6 months. 

It's like letting the kids loose in the park. https://t.co/bCHTE8XH6H https://video.twimg.com/ext_tw_video/1843368993555365888/pu/vid/avc1/1080x610/-q8d-dkqt_MVAe6b.mp4?tag=12