Even the pets at Tivoli celebrated Halloween with a costume contest! Check out some of the photos! [shareprints gallery_id="611" gallery_type="squares" gallery_position="pos_center" gallery_width="width_100" image_size="large" image_padding="5" theme="dark" image_hover="fadeoutblack" lightbox_type="slide" titles="true" captions="true" descriptions="true" comments="true" sharing="true"]