Hong Kong Macau cultural exchange was a trip that tested which law who's purpose was to fulfil Article 23 of the Macau Basic Law?
Hong Kong Macau cultural exchange: Hong Kong Macau cultural exchange was a trip that took place on the Sunday morning of March 15, 2009. Macau national security law: The Macau's national security law (, Portuguese: Lei relative à defesa da segurança do Estado) is a law in Macau which prohibits and punishes acts of "treason, secession, and subversion" against the Central government, as well as "preparatory acts" leading to any of the three acts.
i don't know