Presenters: Ruth Aylett, Alexandra Antonopoulou, Anne Niemetz, Carol Brown, Rachael Priddel, Marie-Claude Poulin, Thecla Schiphorst, Rudi Knoops
Read MoreWho can resist hugging a tree?! Trees have enormous power, but are also vulnerable to human action; when hugged in public they can become powerful symbols for environmental activism.
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