Custom Events Query

<h1>Upcoming events:</h1>

<ul>
    <?php

    global $post;
    $all_events = tribe_get_events(
        array(
            'eventDisplay'=>'upcoming',
            'posts_per_page'=>3
        )
    );
    foreach($all_events as $post) {
    setup_postdata($post);
    ?>

    <li>

        <h3><a href="<?php the_permalink(); ?>"><?php the_title(); ?></a></h3>
        <span class="event-date"><a href="<?php the_permalink(); ?>"><?php echo tribe_get_start_date($post->ID, true, 'M j, Y'); ?></a></span>

        <?php if ( has_post_thumbnail() ) { ?>

            <div class="event-thumb">
                <a href="<?php the_permalink(); ?>"><?php the_post_thumbnail('thumbnail'); ?></a>
            </div>
            <div class="event-excerpt">
                <?php the_excerpt(); ?>
            </div>

        <?php } else { ?>

            <div class="event-content">
                <?php the_content(); ?>
            </div>

        <?php } ?>

    </li>

    <?php } //endforeach ?>
</ul>