Green?

So... I stumbled onto this today. It's a pedal powered roller coaster. Now, of course at first glance this seems surprisingly 'green' and just as surprisingly dangerous.

But once again, remember, this is over in Asia, specifically Japan. And if my experiences to China have given me any insight to safety requirements in other countries... let's just say there isn't OSHA on their back on a lot of things.

I remember assured that 'bamboo was just as strong as steel' in moments where safety was often questioned. Right....