<nav>
  <ul class="breadcrumbs">
    {% for crumb in breadcrumbs %}
    <li>
      {% if crumb.url %}
      <a href="{{ crumb.url }}" title="{{ crumb.name }}">{{ crumb.name }}</a>
      {% else %}
      {{ crumb.name }}
      {% endif %}
    </li>
    {% endfor %}
  </ul>
</nav>
