Got one of these....

It allows you to see almost every museum, get a free canal ride, free public transport, 25% discount at many stores and restaurants and more!
First went to the Diamant museum - here's a few shots...

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Diamond tools through the ages...

Then to Costal Diamond Factory next door where they actually finish the rough diamonds. 
 

Now I'm in the Van Gogh museum - didn't have to wait in line with my City Pass - just went straight to ticket counter then in. Sorry - no pics allowed. 
Gotta go - looking at the "Dreams of Nature" exhibition in the Van Gogh Museum" - Hey - don't laugh - even a Redneck from Texas can appreciate Van Gogh!