Budapest with various lands operated by the Budapest City Gardening Ltd. The wealth of greenspace afforded by Budapest's parks is further augmented by a network of open spaces containing forest, streams, and lakes that are set aside as natural areas which lie not far from the inner city, including the Budapest Zoo and Botanical Garden (established in 1866) in the City Park. The most notable and popular parks in Budapest are the City Park which was established in 1751 (302 acres) along with Andrássy Avenue, the Margaret Island in the Danube (), the People's Park, the Római Part, and the Kopaszi
Budapest terms of the hardiness zone. As per the 1981-2010 climatological norm, widely used in most other European countries, the climate in Budapest has shifted to humid subtropical (Köppen "Cfa"), with averages above 0 °C in the coldest month and above 22 °C in the warmest. Budapest has architecturally noteworthy buildings in a wide range of styles and from distinct time periods, from the ancient times as Roman City of Aquincum in Óbuda (District III), which dates to around 89 AD, to the most modern Palace of Arts, the contemporary arts museum and concert hall. Most buildings in Budapest are relatively