Our Calçada is made of patterns. A pattern is a design that repeats itself periodically in more than one direction. We can find our Calçada in two different locations in Lisbon: one in the train station of Santa Apolónia, and the other in Avenida Almirante Reis. [br][br]Coordinates: 38º 43’ 51” N 9º 08’ 04” W or 38º 42’ 46” N 9º 07’ 23” W

[url=https://www.geogebra.org/classic/h9gdr3jf]https://www.geogebra.org/classic/h9gdr3jf[/url]

[url=https://www.geogebra.org/classic/x4xrfusa]https://www.geogebra.org/classic/x4xrfusa[/url]

[url=https://docs.google.com/presentation/d/e/2PACX-1vSUG-lqlj1DrQlCtnOJe6VFcxMJlGUf3zD9jU-ESskMDoCM2XlcYO2LHQnae8-qRCyysqVTmByijVBY/pub?start=false&loop=false&delayms=3000 ]https://docs.google.com/presentation/d/e/2PACX-1vSUG-lqlj1DrQlCtnOJe6VFcxMJlGUf3zD9jU-ESskMDoCM2XlcYO2LHQnae8-qRCyysqVTmByijVBY/pub?start=false&loop=false&delayms=3000 [/url]