Public Art
Bockstael Square, Brussels BE
Since 2021
Galva steel, Lights, Acer Campestre
This monumental sculpture wants to be dynamic in its overall form. Its development combines a living tree - a field maple - and the use of light as a material to extend its form onto the square at night.
Its aim is to send out a signal inviting everyone to connect more closely with the space of the Place Bockstael.
At once monumental, slender and sinuous, the mast, both upright and cantilevered, is intended to offer different formal perceptions depending on where the viewer is looking from; this vision being all the more accessible given the many streets leading up to the square.
At night, the lighting projected from the mast onto the crown of the plant and certain areas of the square is designed to provide a different spatial view of the site and the sculpture, using three possible coloured luminosities - orange, green or white - randomly chosen each night by a programmer.
Over the course of the seasons and the years, the leaning maple tree will reveal its transformations in terms of its colour variations, its branches and its growth; and beyond seasonal perceptions, it will perhaps suggest to passers-by the possible existence of memory bridges between the evolution of the sculpture thanks to the living plant, their view(s) of it and their own moments in life. And even further away from the formal aspect and our perceptions of time, the leaning tree and the cantilevered pole are planted to ask us questions about our commonly accepted environment.
In the public sculptures that I propose, it's always important to me to work with materials and tree species that are recognisable to the people who are going to come into contact with them.
Sculpture realisation thanks to the collaboration of Michael Renard - Foxyweld SPRL
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Centro Cultural de São Paulo, SP Brasil
Since 2012
Steel, Rope, Eugenia Involucrata

Kortenberg, BE
Since 2006
Roundabout on Leuvensesteeweg
Corten steel, Amelanchier Lamarckii
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Avenue de mai, 1200 Brussels BE
Since 2004
Roundabout between de mai and Heidenberg Avenue
Granit, Prunus
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Centro Cultural de São Paulo, SP Brasil
From 2002 to 2010
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World Exposition 2000, Hanover DE
German Thematic pavilion, 2000
Apple trees, rope

Woluwe Park, Brussels BE
Since 1999
THREE TREES, THREE SCULPTURES: THREE PERSONALITIES ...
Through this group of three pieces, I aim to explore the individual development of the tree, its spatial and temporal environment. Therefore to speak about humans, their similarities and their interdependence.
Apart from its major contribution to the existence of our planetary system, the tree, like humans, is born, grows and dies. They act and react to the environment around them. Their life force and survival instinct lead them to grow differently within the environment in which they develop.
Beyond the light and rain that make the forms of a sculpture vibrate, the tree is present here to tell its story but also to give real life to the sculpture and, as a result, to position it in a state of permanent evolution through time and seasons.
Why - Standing stones: because their inert material represents a form of stability, their arrangement represents the human memory of an ancestral past eager to unite heaven and earth...
- Stone couple: a protective space in which the tree can fully reveal its individuality to us and offer, over the years, different visions and perceptions of the sculpture, its environment and ourselves...
- Hawthorn trees. In memory of its role in shaping some of our landscapes in Western Europe for centuries, its nourishing function in times of famine...
- Three trees, three sculptures: the individual expression of three trees forming a single entity.
The tri-unity of living beings in the union between heaven and earth, a celebration of life, trees and humans ...
At the end of this millennium, in a so quick changing world where speed has taken precedence over the time of Life, where virtuality and reality are intertwined, where do we stand with ourselves?
A rebalancing between reality and spirituality?
Perhaps trees can offer ...
Nathalie Joiris 1998 - competition for Woluwe Park
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Cité des Sciences et de l'Industrie de La Villette
Paris, 1998
Meeting between plants and humans times.
Balls of rope fastened to two curved ficus rising and falling at the rhythm of the imperceptible movements of the plants.
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Royal London Hospital
East London UK, Since 1997
The sculpture set into the entrance hall of the Royal London Hospital is a “live sculpture“ in a permanent evolution through time, composed by a live Fig tree (Ficus Benjamina) and stones.
By working with a live tree and stones, my desire is to use an universal vocabulary on which, without any words, every body from any country could remember its own roots and build its own story.
My choice of a fig tree from Asia and granite from Europe is clearly influenced by the history and the life of White Chapel.
From the beginning of the existence of London until now, East End including White Chapel has been the most polyglot area of the city and the poorest part of it.
The more recent immigration dates back to 1964 by the arriving of Pakistan and Indian communities.
Even if White Chapel is still composed of a Jewish community, now, the highest population is from Pakistan and India.
By using the ficus Benjamina, my desire is to work on the uniting of the occident and Orient by using a plant on which Oriental people could recognise a part of their culture and natural environment from their country of origin.
Through the use of a live tree evoluing and growing as part of the sculpture, my goal is to abolish the monotony of the site which represents anxiety and possibly suffering and death, and to reveal that happiness and life is also there.
There is a concern to establish among patients, staff of the hospital and visitors a permanent dialogue between the evolutive sculpture through its physical and psychological influence over them and the space.
Conceptually, my preoccupation is to work on the uniting of abstracted form from human concept with the live tree. Hence, my interest is to reaffirm the link between human life and its natural environment.
In conceiving this sculpture, the main point is to establish a relationship between the piece in permanent evolution and the vision offered to people. On this point, my aim is to open them new vista, new expressions of the sculpture itself through time.
With the passage of time, the initial sculpture will maintain its form but will offer a unique development as only a tree can. By the “ personal “ evolution of tree, the transformation of the whole sculpture will be known over the years. May be it will follow and absorb the initial direction or may be it will grow wards up to find again a vertical position beyond the initial installation... Only time and tree itself will tell us.
N. Joiris 1997
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