Everyone grieves differently. Some retreat inward and deal with tragedy personally, others take their grief and express it outwards.  

For Chicago resident Greg Zanis, he shares his grief through memorializing the victims of mass killings, with individual wooden crosses to remember each life that was lost.

He recently traveled to Las Vegas to erect 59 crosses right beside the iconic "Welcome To Fabulous Las Vegas" sign. Each cross has the name of one of the victims written on it because we often just look at the victims as a group or a number instead of human beings.

This isn't the first time he has traveled to deliver this message.

Zanis has also done the same thing after the shootings in Columbine, Newtown, and Orlando. He puts them there both as a sign of respect for the lives lost, but also so that people can write messages of condolence to the families of the fallen.

He plans to give the crosses to the grieving families so that they can read those messages from the public, and hopefully help start the healing process.

It might not be an answer to the problems currently plaguing society, but Zanis is doing what he can to help the healing process.