This incredible train station collage is made out of over 150,000 pieces of what?

[gmat]

An earlier article from Sora24.

This incredible train station collage is made out of over 150,000 pieces of what?

 

https://en.rocketnews24.com/2017/11/27/this-incredible-train-station-collage-is-made-out-of-over-150000-pieces-of-what【pictures】/

 

Grant

[cteno4]

Wonder how many pairs of tweezers they wore out making this?! Amazing work.

 

jeff