Puerta del Sol‘s significant history of Tio Pepe sign can be found here
As for Syntagma square‘s signs, I’ll just mention them in order of appearance:
Goody’s (greek fast food)
Alianz (insurance company)
Prinou (cosmetic institute)
Emporiki bank (bank…)
New Day (diets & shit)
Ate leasing (leasing & shit)
…all in one building
Related articles
- Thousands of protesters occupy Puerta del Sol square in Madrid (telegraph.co.uk)
- Protests Continue as Spain Goes to the Polls (nytimes.com)