Photo Credit: under creative commons licensehttps://commons.wikimedia.org/wiki/File:2017-05-07_18_13_20_Red-foliaged_and_green-foliaged_specimens_of_Japanese_Maple_grown_in_such_close_proximity_that_they_appear_to_be_a_single_tree_along_Lake_Shore_Drive_at_Running_Pump_Lane_in_Oak_Hill,_Fairfax_County,_Virginia.jpg

two trees illustrating the word proximity.