Photo taken on June 28, 2019 shows birds at Legon Botanical Garden in Accra, capital of Ghana. The garden, featuring tropical plants and wild animals, lies in the downtown area of Accra. (Photos: Xinhua)

Photo taken on June 28, 2019 shows the scenery of Legon Botanical Garden in Accra, capital of Ghana. The garden, featuring tropical plants and wild animals, lies in the downtown area of Accra.

Photo taken on June 28, 2019 shows the scenery of Legon Botanical Garden in Accra, capital of Ghana. The garden, featuring tropical plants and wild animals, lies in the downtown area of Accra.

Photo taken on June 28, 2019 shows a monkey at Legon Botanical Garden in Accra, capital of Ghana. The garden, featuring tropical plants and wild animals, lies in the downtown area of Accra.

Photo taken on June 28, 2019 shows the scenery of Legon Botanical Garden in Accra, capital of Ghana. The garden, featuring tropical plants and wild animals, lies in the downtown area of Accra.

Photo taken on June 28, 2019 shows birds at Legon Botanical Garden in Accra, capital of Ghana. The garden, featuring tropical plants and wild animals, lies in the downtown area of Accra. (Xinhua)

Photo taken on June 28, 2019 shows the scenery of Legon Botanical Garden in Accra, capital of Ghana. The garden, featuring tropical plants and wild animals, lies in the downtown area of Accra. (Xinhua)

Photo taken on June 28, 2019 shows flowers at Legon Botanical Garden in Accra, capital of Ghana. The garden, featuring tropical plants and wild animals, lies in the downtown area of Accra. (Xinhua)