Yasuaki Onishi (JP)
Opening: 6 February 2026, 6:00 PM
Duration: 7 February – 24 May 2026
Venue: Trenčín Castle, Barbora Palace – Knights’ Hall
Exhibition partner: EU–Japan Fest
What happens when a work based on fragility is placed within the massive architecture of a castle? Crystallized Silence, an exhibition by Japanese artist Yasuaki Onishi, transforms the Knights’ Hall into a vertical landscape in which space, emptiness, light, and time become the primary “materials”.
The artist works with transparent materials, adhesive, and gravity. Delicate structures emerge, as if a moment were briefly caught – crystallized into a temporary form. The installation does not function as an object placed in the hall; rather, it becomes a situation in which visitors become aware of their own pace, breath, and movement.
What the exhibition explores
Crystallized Silence addresses the flow of time as constant transformation: something comes into being, lasts for a moment, and then disappears. Within the setting of a medieval castle, a tension arises between what endures for centuries and what exists only “for a while”. The exhibition invites viewers to slow down and notice subtle changes – not time measured by a clock, but time that can be felt within space.
Practical information
Venue: Barbora Palace – Knights’ Hall (Trenčín Castle)
Duration: 7 February – 24 May 2026
Opening: 6 February 2026 at 6:00 PM
Admission is included in the visit to Trenčín Castle (according to the current opening regime and price list).
Photo and video documentation will be made during the event and may be published later.


The exhibition is supported by EU-Japan Fest Japan Committee.
