Unable to answer "What kind of memorial is this?" for osm.org/node/2424692546 via StreetComplete 53.3:

It's a cross on top of a plaque.

On the front:
"Cruzeiro da Independência"
"MCMXL"
"VIII Centenário da Fundação"
"III da Restauração de Portugal"

On the back:
Come see to find out! There's a text by Pe. Moreira das Neves

There's a "ctt correios" post office here.

There's a pharmacy here called "Farmácia de Colares".

There's a footpath here:
https://i.imgur.com/l4lj2UO.jpg

via StreetComplete 53.3

Unable to answer "Do these steps have a handrail?" for osm.org/way/1188894434 via StreetComplete 53.3:

These steps are on the surface,not underground, to access the grandstand. The underground steps are just south, underneath the grandstand.

https://i.imgur.com/DtiziGb.jpg

The underground tunnel connects to the grandstand slightly more to the south, as per the image:

https://i.imgur.com/DtiziGb.jpg

via StreetComplete 53.3

Unable to answer "What’s the surface here?" for osm.org/way/631812902 via StreetComplete 53.3:

Stone blocks

Unable to answer "What’s the surface here?" for osm.org/way/228164476 via StreetComplete 53.3:

Stone blocks

Unable to answer "What’s the surface here?" for osm.org/way/213237431 via StreetComplete 53.3:

Stone blocks

Unable to answer "What’s the surface here?" for osm.org/way/509991486 via StreetComplete 53.3:

Stone blocks