Inside the building (“Palacio Municipal de Congresos”), the visitors will have the opportunity to buy small congress souvenirs (T-shirts, mugs, and typical Spanish-fans) containing some funny crystallographic motifs based on the characteristic Madrid’s fountain of “La Cibeles” and on Escher-type designs…
Up to two different motifs and colours (as shown below with the T-shirts) will be available, depending of the chosen souvenir…
![](../images/stories/merchan2.jpg)
The two different motifs
Examples of the different souvenirs:
![](../images/stories/merchan3.jpg) Spanish-fan
![](../images/stories/merchan4.jpg) Mug
![](../images/stories/merchan5.jpg) T-shirts
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