When the sun rays hit the red leaves and make them glitter warmly, it is called teriha (照葉 [てりは]).
Nanzenji, Kyoto. 南禅寺、京都。
To learn more about the Japanese tradition of Autumn Leaf Viewing:
The red leaves softly blind my eyes
There in the thicket.
Looking at the crimson leaves
Tears quickly filled my eyes
I am at a loss of what to do.