"A shadow is an area where direct light from a light source cannot reach due to obstruction by an object. It occupies all of the space behind an opaque object with light in front of it" (wikipedia)
which basically means that the presence of light is essential for the existence of shadow.
No light. No shadow... Remember that ( note to self )
I am joining Ariane and her "shadow" theme.
In absence of own artwork, due to laziness,
I share a favourite painting with the most
by the Spanish painter Diaz Olano (1860-1937)
Enjoy your Sunday!