 Complete the following phrase:  As a student, Beshkov published caricatures in the Maskarad, Div Dyado, Balgaran, Starshel and Vik magazines and illustrated the issues of the T. F. Chipev and Hemus printing houses. From 1925 on, he co-operated with the Pladne magazine among others. He was twice arrested due to his leftist political views: once after participating in the June Uprising following the Bulgarian coup détat of 1923 and then during the 1925 April Events in the wake of the 