A curved cross-flow heat exchanger including a first flow path for a first fluid stream which is arranged substantially at right angles to a second flow path for a second fluid stream, wherein: the first flow path is confined within one or more heat exchanger sections that bridge between opposite sides of the heat exchanger, the one or more heat exchanger sections having a leading edge positioned in the second flow path, wherein each of the one or more heat exchanger sections is a curved laminated heat exchanger section and comprises a leading edge that is curved in a direction normal to the second flow path.