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MADRID, SPAIN - OCTOBER 01: Alcala Gate (Puerta de Alcala) illumitaned in green for the Arthritis awareness is seen in Marid, Spain on October 01, 2015. More than 300,000 people with Arthritis live in Spain and Arthritis Awareness promotions will be organized throughout October, announced. (Photo by Burak Akbulut/Anadolu Agency/Getty Images)

MADRID, SPAIN - OCTOBER 01:  Alcala Gate (Puerta de Alcala) illumitaned in green for the Arthritis awareness is seen in Marid, Spain on October 01, 2015. More than 300,000 people with Arthritis live in Spain and Arthritis Awareness promotions will be organized throughout October, announced. (Photo by Burak Akbulut/Anadolu Agency/Getty Images)