"Ezek az új épületek nem alacsonyak, hanem magasak."

Translation: These new buildings are not short, but tall.

[Formosast]

you never say short buildings in english..................low buildings

[Chris265302]

Exactly! Buildings are LOW not short! (They can also be HIGH or tall).

[MunggNicole]

'low' and 'high' should be accepted.