A couple ways people here in Canada, and around the world have been paying their respects.
http://www.cbc.ca/news/canada/humbol...edia-1.4616226
https://www.ctvnews.ca/canada/sticks...k&_gsc=oouo8YE
In a time when "thoughts and prayers" has become clichéd, small gestures like that are nice to see.