German mastiff (Great Dane)
German mastiffs are one of the tallest dogs. Their height is from 72 up to 80 cm, while the weight of dogs is more than 55 kg. Despite the large size of German mastiffs, they are very peaceful and calm.
The most famous German mastiff is Big George. His height is 100 cm and weight is more than 110 kg and he is one of the Biggest Dog Breeds