404. That’s an error.
The requested URL /_/+1/confirm?hl=en&url=http://earthobservatory.nasa.gov/IOTD/view.php%3Fid=4582%26src=share&title=Grand+Canal,+Venice+:+Image+of+the+Day was not found on this server. That’s all we know.
/_/+1/confirm?hl=en&url=http://earthobservatory.nasa.gov/IOTD/view.php%3Fid=4582%26src=share&title=Grand+Canal,+Venice+:+Image+of+the+Day