La Cresta outdoor wood earthwork October 29, 2022 Return to: Expanding Community at Philadelphia’s Woodmere Art MuseumFull resolution (2048 × 1536) Image navigation Previous Image Next Image In La Cresta, Syd Carpenter and Steve Donegan combined art and horticulture, incorporating a Northern European technique called hugelkultur, in which mounds of earth built over decaying wood help improve soil.