This October, Public Art Chattanooga welcomes world-renowned artist Konstantin Dimopoulos, who will lead the community in coloring trees a vibrant blue in select locations throughout the city, ...
A pedestrian walks past a row of blue trees along 13th Street between J and K streets in downtown Sacramento in 2012. More than two years later, some of the blue pigment remains visible on the trees.
Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Trees depicted in ...
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