Postcard from Hawaiʻi – Tree An ancient koa tree towers above a slope of invasive gorse along Mana Road Related Posts Postcard from Hawaiʻi - Mauna Kea Stream Hakalau Wildlife Refuge Open House Share this:TweetWhatsAppEmail Author: Andrew An electrical engineer, amateur astronomer, and diver, living and working on the island of Hawaiʻi. View all posts by Andrew