Yves Lanceau / Domestic dog, Neopolitan Mastiff / Mastino Napoletano, head portrait, France

Yves Lanceau / Domestic dog, Neopolitan Mastiff / Mastino Napoletano, standing portrait, France

Yves Lanceau / Domestic dog, Tibetan Mastiff, black and tan colour, sitting portrait, France

Yves Lanceau / Domestic dog, Great Dane / German Mastiff, black brindle colour, standing portrait with ears erect, France

Yves Lanceau / Domestic dog, St. Bernard / Alpine Mastiff, sitting portrait with wooden barrel on collar, Alps, France

Yves Lanceau / Domestic dog, Tibetan Mastiff, gold colour, sitting portrait, France

Yves Lanceau / Domestic dog, St. Bernard / Alpine Mastiff, standing portrait, Alps, France

Yves Lanceau / Domestic dog, St. Bernard / Alpine Mastiff, two on snow in Alps, France

Oriol Alamany / A Nepalese family, flanked by their two Tibetan mastiff dogs, walks along path through the Rhododendron forests at an alttude of 3,000 metres on their way to the village of Ghorepani, during the monso...

Philippe Clement / Dogue de Bordeaux / French Mastiff / Bordeauxdog, French dog breed paddling in sea water along the North Sea coast

Philippe Clement / Dogue de Bordeaux / French Mastiff / Bordeauxd og, French dog breed, paddling in sea water along the North Sea coast

Sylvain Cordier / Tibetan mastiff, portrait. Near Zhangjiakou, Hebei Province, Inner Mongolia, China.