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Castelo de S. Jorge, Lisbon, Portugal 38°42′51″N 09°08′00″W
3rd August, 2007
Lisbon has a warm climate, with sunny spring and summer days when temperatures frequently reach 30ºC or above. Winters are wet and windy, temperatures averaging around 10ºC.
More on climate: http://www.wordtravels.com/Cities/Portugal/Lisbon/Climate
(Teresa Gali-Izard, The Same Landscapes: Ideas and Interpretations, 2005. p239)
ailanthus is running its own landscape project as a strongly 'invasive', 'alien' species.