The concept is 《river》.
The sliced plastic bottles are connected together to make a string with a length of 10 m each. And they are installed side by side.
A large river called the “Edo River” flows through the place where this work was installed. This is developed with that as a motif.
The water of the river springs up from the mountains, flows a long distance, and eventually spreads out to the sea.
The large expanse of the continuity is expressed as a large space.