After his own defection to South Korea in 2010, Choi Seong-guk, 37, realized that the two Koreas were no longer the same country — many cultural and linguistic differences have arisen during more than 70 years of division. 
Baada ya yeye mwenyewe kukimbilia Korea Kusini mwaka 2010, Choi Seong-guk, 37, aligundua kuwa Korea mbili hazikuwa tena nchi moja- tofauti nyingi za utamaduni na lugha zilikuwa zimeibuka katika kipindi cha zaidi ya miaka 70 ya mgawanyiko.