aggressive-root-system banyan banyan-tree buttress-roots buttressed-root-system buttressing epiphyte evergreen feature-tree ficus ficus-macrophylla invasive-roots massive massive-trunk Moreton-Bay-fig-tree public-parks rainforest-plant shade shady strangler-fig tree tremendous-size adventure boys climb climbing fun root-network root-system Roots surface surfaces textured textures thick thin uneven atmospheric big bulky calm colossal considerable countryside cozy enormous environment extensive extraordinary grand great high historic huge idyllic illustrious immense imposing impressive intense land landscape large lonesome magnificent majestic mighty moving natural nature notable old outland peaceful prodigious quiet renowned rest restful rural rustic rustical scene scenery sketch sloping street stupendous summer tall titanic towering tremendous vast view agorithm algorithms beauty chaos disorder Fractal fractals algorithm math mathematical maths