Neighbors enjoy refreshments at Piedmont’s annual Arbor Day event held at the Ramona/Ronada Triangle in Piedmont, Calif., on Thursday, April 10,
Neighbors enjoy refreshments at Piedmont's annual Arbor Day event held at the Ramona/Ronada Triangle in Piedmont, Calif., on Thursday, April 10, 2014. The triangle is a public-private partnership that features a rain garden and Mediterranean plants palette. It was created not only for aesthetics, but to calm a busy traffic sector. (Dan Honda/Bay Area News Group)