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I do not know, have not heard of this, the entrance was opened on April 1.

according to the papers it happened a week ago: https://polskatimes.pl/ogrod-japonski-zdewastowany-nieczynny-do-odwolania/ar/14012809

Either way, this is a temporary problem and the garden is still very beautiful.

Do you live in Wrocław or have you come on a tour?