depth

SELECT * FROM gallery2 WHERE topic_id="1545632" UNION SELECT * FROM gallery2 WHERE topic_id="1690714" UNION SELECT * FROM gallery2 WHERE topic_id="839354" UNION SELECT * FROM gallery2 WHERE topic_id="1177463" UNION SELECT * FROM gallery2 WHERE topic_id="1283659" UNION SELECT * FROM gallery2 WHERE topic_id="1131196" UNION SELECT * FROM gallery2 WHERE topic_id="1689925" UNION SELECT * FROM gallery2 WHERE topic_id="1089881" UNION SELECT * FROM gallery2 WHERE topic_id="857077" UNION SELECT * FROM gallery2 WHERE topic_id="294861" UNION SELECT * FROM gallery2 WHERE topic_id="1548384" UNION SELECT * FROM gallery2 WHERE topic_id="368500" UNION SELECT * FROM gallery2 WHERE topic_id="938973" UNION SELECT * FROM gallery2 WHERE topic_id="682207" UNION SELECT * FROM gallery2 WHERE topic_id="165533" UNION SELECT * FROM gallery2 WHERE topic_id="1619287"