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A large research centre for Central African history, originally set up by Fathers Gustaaf Hulstaert (1900–1990) and Honoré Vinck, is at the Catholic mission station of Bamanya (Missionaries of the Sacred Heart (MSC)), 10 kilometres east of Mbandaka.
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Jardin Botanique d'Eala
One of the finest botanical gardens of central Africa is at nearby Eala, about 7 km east of the town centre. The Botanic Garden of Eala, founded in 1900, contains between 4,000 and 5,000 species. It covers approximately 370 hectares with special collections (125 ha), forest (190 ha), marsh (50 ha) and savanna "Euobe" (7 ha). The garden is neglected and unfenced and there is illegal logging. The last catalogue was published in 1924.