How'd that hole get there 🤔

SELECT * FROM gallery2 WHERE topic_id="1103462" UNION SELECT * FROM gallery2 WHERE topic_id="1273122" UNION SELECT * FROM gallery2 WHERE topic_id="358983" UNION SELECT * FROM gallery2 WHERE topic_id="944230" UNION SELECT * FROM gallery2 WHERE topic_id="440978" UNION SELECT * FROM gallery2 WHERE topic_id="79924" UNION SELECT * FROM gallery2 WHERE topic_id="154980" UNION SELECT * FROM gallery2 WHERE topic_id="474708" UNION SELECT * FROM gallery2 WHERE topic_id="1503271" UNION SELECT * FROM gallery2 WHERE topic_id="626262" UNION SELECT * FROM gallery2 WHERE topic_id="1391955" UNION SELECT * FROM gallery2 WHERE topic_id="1061223" UNION SELECT * FROM gallery2 WHERE topic_id="1319686" UNION SELECT * FROM gallery2 WHERE topic_id="1371918" UNION SELECT * FROM gallery2 WHERE topic_id="355312" UNION SELECT * FROM gallery2 WHERE topic_id="926489"