Luis G. Rendon/The Daily Beast/GettyRussia is building up a network of fortifications and trenches along the front in Ukraine, in apparent anticipation of a new round of heavy fighting, according to satellite imagery analysis shared exclusively with The Daily Beast.The analysis from Brady Africk, an open-source intelligence analyst, shows that Russia is building up fortifications all along the front in Luhansk, from the Russian border down to Donetsk, and throughout Zaporizhzhia and Kherson.The