How many chapters does Xi 'an's nucleic acid post?

68。 According to relevant public information, all nucleic acid stickers in Xi 'an have a total of 10 series and 68 small stickers. In March, the first set of four stickers was Four Treasures of the Study, Qinling; The second set is Tang stickers; The third set is 4 Dahan Tiantuan; The fourth set of the most beautiful laborer series stickers, a set of 5; The fifth set of Tang Dynasty poet series stickers, * * * 6; The sixth set of Shaanxi Opera series stickers, * * * issued16; The seventh set is the Terracotta Warriors series, with 4 pieces; The eighth set of cultural relics in the town hall of Shaanxi History Museum,11; The ninth set is Xi 'an garbage sorting mascot, a set of 4; The tenth set is the iconic series of Xi 'an * * *, with 4 pieces in total.