 In 1912, he opened a photographic studio at 12 Portovaya Street, Vilnius.At the request of the Vilnius Magistrate and in cooperation with the municipal curator, Bułhak started making a "photographic inventory" of the city and took pictures of its historic landmarks from 1912 to 1915.The major part of Bułhak's work is connected with Vilnius and its surroundings; he also documented the monuments and landscapes of some other parts of Poland