Birdhouses have been put in the Botanical Gardens of Moscow State University, built to an award-winning design that took first place in the IDEA ecological campaign’s international competition.

Birdhouses have been put in the Botanical Gardens of Moscow State University, built to an award-winning design that took first place in the IDEA ecological campaign’s international competition.

Birdhouses have been put in the Botanical Gardens of Moscow State University, built to an award-winning design that took first place in the IDEA ecological campaign’s international competition.

Birdhouses have been put in the Botanical Gardens of Moscow State University, built to an award-winning design that took first place in the IDEA ecological campaign’s international competition.