Germany and the Czech Republic continued to fight forest fires on Sunday, with the situation tense on both sides of the border. The fire burning in the Bohemian Switzerland National Park, one of the largest seen in Czech history, now spans an area of around 1,000 hectares. The challenging terrain is making the fire difficult to contain, a spokesperson for the emergency services told Czech public broadcaster CT. The fire broke out last weekend in the Czech national park and spread across the border to Germany’s Saxon Switzerland National Park on Monday. Crews keep finding new pockets of embers …