All 90 Hong Kong lawmakers are set to head to Beijing for a historic “national affairs study visit” in July, attending seminars, visiting key authorities and inspecting the tech sector during their week-long trip.The visit to the capital from July 19 to 25, which will include seminars on national security and geopolitical issues, is expected to cost about HK$1.4 million in total, according to a paper submitted to the Legislative Council on Thursday.The estimated cost for each lawmaker is...