We visited so many interesting places.
First place was a fish hatchery.
We learned about breeding and raising fish, especially cat-fish.
This was the breeding room that full of aquariums.
Each aquarium was filled by thousands of fish embryos.
A very small size of baby fish.
This was a home made heating element on the center of the room, above the rows of the aquariums.
This element was made of recycled materials.
And the last one was floor with drainage channel.
Great lesson that day...
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