If you’re walking through the streets of Downtown Columbus over the next three months, you will see some unusual structures. Some of the works project sharply into the sky with welded rebar and steel. Others you can walk into like a maze, or climb up.  And still others you might not even notice until you’re standing on top of them. These temporary installations are designed to have a visual conversation, as it were, with the epic landmarks of modernist architecture in Columbus. One of the goals of this citywide exhibition, in its inaugural year, is to inspire architects, designers and particularly students — the next generation of architects — to consider making their mark on this Southern Indiana town, according to Richard McCoy, director of Landmark Columbus. “The main purpose of Exhibit Columbus is to make Columbus a better place to live,” McCoy said about the project in 2016. “To get people to have pride in their community, where they live, work and study. To show that excellent designers are a great way to solve community challenges. And to encourage people to come move to Columbus.” “At Exhibit Columbus, we created something called the Miller Prize Competition,” he said, b...