will be open for seven days through next Monday, the last day of the Aichi Triennale 2019 art festival in which it is included.
The tighter security measures include baggage inspections with metal detectors.
The organizers also introduced steps to better deal with telephone complaints about art works previously not shown due to what critics say is censorship.
Hideaki Omura, who heads the steering committee of the art festival, after an investigative panel set up over the issue called for the reopening last month.
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