Several tours are available that will lead you through the website, visiting places that address specific topics and areas of interest.
When you're in a tour, these navigation arrows will appear on either side of the image at the top of each tour page.
Clicking on them will move forward or backward in the tour.
You can also navigate forward or backward by swiping left or right with your finger or mouse.
You can navigate away from the tour at any time. The tour will automatically resume if you return. The tour will not interfere with your use of the website; it merely provides an alternative way to view related material.