february, frosty morning, klekuna swans are resting on the serguch river. part of the berezenskaya water system, which was built in 1797-1805. its length is 169 km, it connected the berezina with the western dvina, since 1805 the rich gifts of nature, ship timber and charcoal, resin, tar, furs, honey, began to be transported along the waterway to the baltic and black sea ports in one summer season. the berezenskaya water system was intensively exploited until the outbreak of world war ii. currently, it has completely lost its transport significance and is only a historical monument and a habitat for numerous semi-aquatic animals. during the great patriotic war , the territory of the reserve became a base for the partisan movement, a place of formation, rest and shelter for many partisan brigades. there were 11 partisan detachments operating here, two underground. district party committee, two hospitals. the largest partizan operation was liberation of the district center bigomal on december 19, 1942. these places became the center of the partisan region, th