A man looks at a memorial site for the victims of the Brussels attacks at the Place de la Bourse in Brussels, Belgium, Friday, April 1, 2016. The Brussels city archive today started collecting messages and drawings to protect and preserve them.
A man looks at a memorial site for the victims of the Brussels attacks at the Place de la Bourse in Brussels, Belgium, Friday, April 1, 2016. The Brussels city archive today started collecting messages and drawings to protect and preserve them. Geert Vanden Wijngaert AP
A man looks at a memorial site for the victims of the Brussels attacks at the Place de la Bourse in Brussels, Belgium, Friday, April 1, 2016. The Brussels city archive today started collecting messages and drawings to protect and preserve them. Geert Vanden Wijngaert AP