Page not found (404)

Request Method:	GET
Request URL:	http://www.lapapeleta.cu/activities/recorrido-patrimonial-50-aniversario-del-museo/?a=a&ages=todos-los-publicos&category=patrimonio&region=la-habana
Raised by:	lapapeleta.billboard.views.activities.ActivityDetail

You're seeing this error because you have DEBUG = True in your Django settings file. Change that to False, and Django will display a standard 404 page.