As stated on the Bolesławiec City Hall website:

Municipal Public Preschool No. 6 in Bolesławiec—due to the current epidemiological situation—is suspending its educational, upbringing and care activities from November 18, 2020, to November 23, 2020.

City Hall officials add:

The temporary suspension of classes at Municipal Public Preschool No. 6 in Bolesławiec is taking place pursuant to § 18 section 2a of the Regulation of the Minister of National Education and Sport of December 31, 2002, on safety and hygiene in public and non-public schools and institutions (Journal of Laws of 2020, item 1166), after obtaining the consent of the governing body and a favorable opinion from the State Poviat Sanitary Inspector in Bolesławiec.