Link to Facebook (short)

<?php if (($facebookID = tribe_get_event_meta(get_the_ID(), '_FacebookID', true)) !== '') : ?>
    <dt>
        Facebook:
    </dt>
    <dl> <a href="http://www.facebook.com/events/<?php esc_attr_e($facebookID) ?>" title="Visit this event on Facebook">
        View event on Facebook
    </a> </dl>
<?php endif ?>