The poster depicts a wall made up of cell phones which display hateful messages towards refugees.
The point of the poster is that these hateful messages fuel prejudice and fear, creating "walls" between people.
This poster belong to
Make Extremism History

poster for tomorrow, the international poster competition, is proud
to announce the launch of its 2016 edition: This year we're going to do
things a little differently. It's about evolution, not revolution.