When there is no content developed, we just use to leave the page blank or paste a image like this:
The practice is quite common. And if you think deeply, this kind of visiting pages doesnt make any impression to the visitors rather it leaves a negative mark.
So if we can try to put some positive mark of the visitors mind/psychology, we can try out the following picture.
Though the picture is nothing to do with under construction yet it will leave a mild smile on your face. Now think what will you do?