The most basic show page for a district possible

building-info district show start.erb

<h1>
    <%= @district.name %>
</h1>

<p>
    <strong>Type: </strong><%= @district.district_type %>
</p>

<h3>Buildings</h3>

<ul>
    <% @district.buildings.each do |building| %>
        <li>
            <%= link_to building.name, building_path(building) %>
        </li>
    <% end %>
</ul>