A close-up shot shows a clear plastic bottle filled with a bright green liquid

A close-up shot shows a clear plastic bottle filled with a bright green liquid. Inside the bottle, a dark object, possibly a tube or pipe, is submerged in the liquid. An air line is inserted into the top of the bottle, causing bubbling in the green liquid, suggesting aeration or mixing. The bottle is situated indoors, possibly in a laboratory or greenhouse setting, as evidenced by the blurred backdrop of structures and vegetation. Another bottle, partially visible on the right, appears to contain a similar, though perhaps less vibrant, liquid. The angle is low, looking upwards at the bottle, emphasizing its contents and the bubbling action within.