depth

SELECT * FROM gallery2 WHERE topic_id="1737714" UNION SELECT * FROM gallery2 WHERE topic_id="407816" UNION SELECT * FROM gallery2 WHERE topic_id="1649071" UNION SELECT * FROM gallery2 WHERE topic_id="1677171" UNION SELECT * FROM gallery2 WHERE topic_id="1280077" UNION SELECT * FROM gallery2 WHERE topic_id="841404" UNION SELECT * FROM gallery2 WHERE topic_id="810485" UNION SELECT * FROM gallery2 WHERE topic_id="1164636" UNION SELECT * FROM gallery2 WHERE topic_id="653042" UNION SELECT * FROM gallery2 WHERE topic_id="420203" UNION SELECT * FROM gallery2 WHERE topic_id="1494635" UNION SELECT * FROM gallery2 WHERE topic_id="173364" UNION SELECT * FROM gallery2 WHERE topic_id="1141392" UNION SELECT * FROM gallery2 WHERE topic_id="1827718" UNION SELECT * FROM gallery2 WHERE topic_id="122037" UNION SELECT * FROM gallery2 WHERE topic_id="1342904"