
  </figure>
  <div style="clear: left;"></div>

  <figure class="cell">
    <div id="transform7"></div>
    <figcaption>
      <b>lookup</b> transform used to link data table with geoJSON in
      choropleth.
    </figcaption>
  </figure>
  <div style="clear: left;"></div>

  <figure class="cell">
    <div id="transform8"></div>
    <figcaption>
      <b>pivot</b> transform used to tidy data to show temperatures in 2017
      for three cities.
    </figcaption>
  </figure>
  <div style="clear: left;"></div