Ankara has many parks and open spaces mainly established in the early years of the Republic and well maintained and expanded thereafter. The most important of these parks are: Gençlik Parkı (houses an amusement park with a large pond for rowing), the Botanical garden, Seğmenler Park, Anayasa Park, Kuğulu Park (famous for the swans received as a gift from the Chinese government), Abdi İpekçi Park, Esertepe Parkı, Güven Park (see above for the monument), Kurtuluş Park (has an ice-skating rink), Altınpark (also a prominent exposition/fair area), Harikalar Diyarı (claimed to be Biggest Park of Europe inside city borders) and Göksu Park. Dikmen Vadisi (Dikmen Valley) is a  park and recreation area situated in Çankaya district.