GRONINGEN, NETHERLANDS - JUNE 01: Queen Maxima of The Netherlands opens the first child biennale art event in the Groninger Museum  on June 1, 2021 in Groningen, Netherlands. This is the first biennale for children in The Netherlands and offers a interactive exposition with work from 30 national and international artists. (Photo by Patrick van Katwijk/Getty Images)
GRONINGEN, NETHERLANDS - JUNE 01: Queen Maxima of The Netherlands opens the first child biennale art event in the Groninger Museum  on June 1, 2021 in Groningen, Netherlands. This is the first biennale for children in The Netherlands and offers a interactive exposition with work from 30 national and international artists. (Photo by Patrick van Katwijk/Getty Images)
GRONINGEN, NETHERLANDS - JUNE 01: Queen Maxima of The Netherlands opens the first child biennale art event in the Groninger Museum  on June 1, 2021 in Groningen, Netherlands. This is the first biennale for children in The Netherlands and offers a interactive exposition with work from 30 national and international artists. (Photo by Patrick van Katwijk/Getty Images)
GRONINGEN, NETHERLANDS - JUNE 01: Queen Maxima of The Netherlands opens the first child biennale art event in the Groninger Museum  on June 1, 2021 in Groningen, Netherlands. This is the first biennale for children in The Netherlands and offers a interactive exposition with work from 30 national and international artists. (Photo by Patrick van Katwijk/Getty Images)
GRONINGEN, NETHERLANDS - JUNE 01: Queen Maxima of The Netherlands opens the first child biennale art event in the Groninger Museum  on June 1, 2021 in Groningen, Netherlands. This is the first biennale for children in The Netherlands and offers a interactive exposition with work from 30 national and international artists. (Photo by Patrick van Katwijk/Getty Images)