David Altrath frames a suspended jungle inside a brutalist icon   David Altrath’s photographic series captures the Barbican Conservatory not simply as a greenhouse , but as a spatial paradox embedded within one of London’s most uncompromising architectural ensembles. Conceived in 1982 as part of the Barbican Centre, the conservatory unfolds as a suspended ecosystem where over 1,500 plant species occupy a rigid Brutalist framework of exposed concrete , steel , and glass .   What emerges through Altrath’s lens is not contrast in the obvious sense, but a gradual negotiation. The heavy geometry of the Barbican’s stepped terraces becomes a scaffold for growth, with vines, shrubs, and trees occupying ledges and voids as if they were always intended to be there. The rough concrete surfaces act as a substrate for life rather than a boundary against it. Plants cascade over balustrades, roots anchor into shallow beds, and foliage thickens at corners where light and humidity accumulate.…