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CHIBA, Japan – A 2-year-old got quite the scare while at a zoo in Japan this week.

A video of the incident shows the toddler standing up at a glass wall, watching the lion on the other side. The lion slowly decends from a rock and lays down in the grass.

As the boy turns around to face his family, the lion runs full-speed at the glass before crashing into it, pawing at the boy.

Meanwhile, the toddler nearly falls over from the shock of it all.

Watch the video above.