A point on the equator that is at Quitsato Sundial - a small astronomical museum.
An anecdote on the sign posted by the Ecuadorian Military Geographic Institute says that if one stands on it, one foot is in the northern hemisphere and one in the southern.
GNSS - Global Navigation Satellite System acronym - satellite navigation system (for example: GPS).
In the next photo of that photographer, displays a screenshot of a GPS app showing latitude 0 is shown Click for a larger image Translation of the text on the sign
Central University of Ecuador
Geographic Military Institute