Why can we often see the national flags of several countries at half-mast nowadays ? How do people feel when they watch their national flags at half-staff ? Which are the other ways of paying tributes or showing solidarity to the victims of sudden terrorist attacks or unexpected deaths ? Where do people place their national flags at half-staff ?

 http://time.com/4365295/orlando-shooting-pulse-nightclub-victims-help/

  http://halfstaff.org/