-We're all gonna ride the 6 train,

which is right over there.

You guys are going to sit directly across from your sibling.

The idea's just that it's a human mirror

and for anybody that gets onto that train--

we'll see how long it takes them to notice

that there's an exact human mirror.

-[synthesized singing]: You gotta move your body

You gotta bring it out

You gotta move your body

You gotta bring it out

You gotta move your body

You gotta bring it out

You gotta move your body

You gotta bring it out

-They must be twins, I think.

They are identical.

Maybe there's some twin conference going on somewhere.

-[synthesized singing]: You gotta move your body

You gotta bring it out

You gotta move your body

You gotta bring it out

You gotta move your body

You gotta bring it out

You gotta move your body

You gotta bring it out

-Oh, my God.

Look at this whole row.

-They're all twins. -Look at the whole row.

-I thought it was a mirror. [chuckles]

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