I'm struggling to understand what you're referencing. The database contains both links to the visualization and thumbnail URLs. Chris posted an example of a gal

I'm struggling to understand what you're referencing. The database contains both links to the visualization and thumbnail URLs. Chris posted an example of a gallery with thumbnail previews, which you can click on to see the original. The Google Doc is where the data is curated, and available for developers to make their own visualizations of the data.