Some fruit trees , such as quince , cherry and plum trees , were later planted in the 1980s - 90s .
Most of the newly planted trees were black poplars and its variant , Lombardy poplars .
Some fruit trees , such as quince , cherry and plum trees , were later planted in the 1980s - 90s .
Most of the newly planted trees were black poplars and its variant , Lombardy poplars .