When humans start building things (roads, walls, buildings, etc.) around trees, they simply learn to adapt and grow their roots around whatever is nearby, including sidewalk stones. However, there are some tree species that have developed special root extensions that pop out of soil, in order to get oxygen, when it is not available in the soil because of excess water. These root extensions are called pneumatophores, and are present, among others, in black mangrove and pond cypress. Continue reading for more.
Bored Panda says, "Mankind's relationship with nature is a difficult one - we must use it, live in harmony with it, protect it and protect ourselves from it. These visually striking images that we collected of tree roots colliding with concrete are beautiful symbolic representations of this complicated relationship."