British artists , Heather Ackroyd and Dan Harvey, , turf , photosynthesis . 草皮, 光合作用.

Where the green art grows: British artists discover brilliant technique for | Mail Online http://www.dailymail.co.uk/news/article-2158537/Where-green-art-grows-British-artists-discover-brilliant-technique-for.html
Heather Ackroyd and Dan Harvey.JPG - a photo on Flickriver http://flickriver.com/photos/amymyou/518270458
Sacred Space: Heather Ackroyd and Dan Harvey, Dilston Grove, Former Clare College Mission Church, Bermondsey, London, 2003http://virtualsacredspace.blogspot.tw/2010/02/heather-ackroyd-and-dan-harvey-dilston.html
Source Photographic Review - Back Issue Archive - Issue 27 Summer 2001 - Feature Image Page - http://www.source.ie/archive/issue27/Elizabeth_Martin_page_16_23_17_13-02-12.php
Church Covered of Grass by Heather Ackroyd & Dan Harvey « CubeMe http://cubeme.com/blog/2012/05/09/church-covered-of-grass-by-heather-ackroyd-dan-harvey/
Testament | Ackroyd & Harvey http://www.ackroydandharvey.com/testament/