Morley Read / Drone shot tracking over a field planted with potatoes, Cornwall, England, UK, June 2018. (non-ex)

Murray Cooper / Mangrove (Rhizophora sp) aerial roots, Cayapas Mataje Ecological Reserve, Ecuador

Murray Cooper / Mangrove (Rhizophora sp) trees, Cayapas Mataje Ecological Reserve, Ecuador

Kim Taylor / Aerial root structure of Weeping Fig tree (Ficus benjamina). Asia

Morley Read / Drone shot descending over a field planted with potatoes, Cornwall, England, UK, June 2018. (non-ex)

Morley Read / Drone shot ascending over a field planted with potatoes, Cornwall, England, UK, June 2018. (non-ex)

Morley Read / Drone shot tracking over a field planted with potatoes, Cornwall, England, UK, June 2018. (non-ex)

Nigel Cattlin / Broad bean (Vicia faba) young plant with early leaves and roots, uprooted and germinated seed split to show food reserve.

Nigel Cattlin / Broad bean (Vicia faba), close up of roots and cross section of germinated seed to show food reserve.

Nigel Cattlin / Broad bean (Vicia faba), young plant with germinated seed, early leaves and roots, above and below ground.

Martin Willis / Boat near sand island, Beaver Cay, Great Barrier Reef, Queensland, Australia

Murray Cooper / Mangrove (Rhizophora sp) aerial roots, Cayapas Mataje Ecological Reserve, Ecuador