/ 大好 news to you. in hong kong, some of these museums are free during some days in a week. for example, the 香港历史博物馆 charges no fee on every tuesday.for details, please visit: http://www.lcsd.gov.hk/b5/cs_mus_lcsd.php2./ they are all 很棒 for visit.enjoy your time in hong kong !! :)