A visiting fellowship in Boston ended in early October 1986, after which the author took a driving holiday through the White Mountain National Forest in New Hampshire to see the spectacular fall foliage. The changing colors of the leaves in autumn are considered one of the most visually stunning natural wonders worldwide.

1. In early October 1986, the end of a visiting fellowship in Boston, USA, and a driving holiday through the White
Mountain National Forest, New Hamphire. The colours of the leaves during the ‘fall’ are at the top of the world’s
list of visual natural wonders.