Le 173,6m, c'était un typo: https://mtlurb.com/index.php?/topic/11788-1000-de-la-montagne-45-etages/&page=83&tab=comments#comment-306187 https://mtlurb.com/index.php?/topic/11788-1000-de-la-montagne-45-etages/&do=findComment&comment=307032