DGA1136568: Top to bottom, T rex (Tyrannosaurus rex), Albertosaurus sarcophagus and Nanotyrannus lancensis, Tyrannosauridae, Cretaceous, Artwork by Peter David Scott (photo) / Bridgeman Images

DGA1136574: Palaeozoology, Triassic period, fossil reptiles, Longisquama insignis, illustration by Simon Turvey (photo) / Bridgeman Images

DGA1136587: Illustration representing Lotosaurus (photo) / Bridgeman Images

DGA1136596: Pond ecosystem, Jurassic, Artwork by Brin Edwards (photo) / Bridgeman Images

DGA1136601: Palaeozoology, Cretaceous period, Dinosaurs, Austrosaurus, illustration by Nick Pike (photo) / Bridgeman Images

DGA1136604: Chialingosaurus kuani, Stegosauridae, chased by T rex (Tyrannosaurus rex), Tyrannosauridae, Cretaceous, Artwork by Peter David Scott (photo) / Bridgeman Images

DGA1136611: Palaeozoology, Cretaceous period, Dinosaurs, Tyrannosaurus rex, illustration by Chris Turnball (photo) / Bridgeman Images

DGA1136613: Illustration representing Dinosaurs of Mesozoic period (photo) / Bridgeman Images

DGA1136626: Illustration representing Aublysodon eating another dinosaur (photo) / Bridgeman Images

DGA1136627: Illustration representing Planetetherium hanging on tree (photo) / Bridgeman Images

DGA1136642: Illustration representing Euoplocephalus (right) and Tyrannosaurus Rex (left) fighting (photo) / Bridgeman Images

DGA1136643: Structure of erupting volcano (left) and secondary volcanism activity (right), Artwork by Mitchell Bearley (photo) / Bridgeman Images

DGA1136644: Ardeosaurus sp, Ardeosauridae, Late Jurassic, Illustration (photo) / Bridgeman Images

DGA1137661: Euphorbia growing on a mountain; Barbagia; Seulo; Sardinia; Italy (photo) / Bridgeman Images

DGA1137666: Italy; Lombardy Region; Bergamo Province; Orobian Alps; rainbow over mountains (photo) / Bridgeman Images

DGA1137669: Houses on a mountain near the lake; Lake Baitone; Adamello Brenta Natural Park; Lombardy; Italy (photo) / Bridgeman Images

DGA1137672: Italy; Umbria Region; Lake Trasimeno at sunset (photo) / Bridgeman Images

DGA1137679: High angle view of trees on a landscape; Conca Valley; Marches; Italy (photo) / Bridgeman Images

DGA1137684: Trees near a lake; Lake Iseo; Franciacorta; Lombardy; Italy (photo) / Bridgeman Images

DGA1137690: Rocks at the coast; Polignano A Mare; Puglia; Italy (photo) / Bridgeman Images

DGA1137695: Beach between Mattinata and Pugnochiuso; Gargano National Park; Puglia; Italy (photo) / Bridgeman Images

DGA1137696: Rock formations near the sea; Torre Guaceto; Puglia; Italy (photo) / Bridgeman Images

DGA1137700: High angle view of a lake; Carnic Alps; Friuli-Venezia Giulia; Italy (photo) / Bridgeman Images

DGA1137704: Group of horses in a flooded pasture; Friuli-Venezia Giulia; Italy (photo) / Bridgeman Images

DGA1137705: Group of people climbing a mountain; Mt Civetta; Veneto; Italy (photo) / Bridgeman Images

DGA1137709: Clouds over mountains; Dolomites; Ombretta; Marmolada; Veneto; Italy (photo) / Bridgeman Images

DGA1137712: Huts in a field; Sappada; Cadore; Eastern Alps; Veneto; Italy (photo) / Bridgeman Images

DGA1137718: Inflatable raft on the beach; Stromboli; Eolie Islands; Sicily; Italy (photo) / Bridgeman Images

DGA1137725: USA; California; Glamis Sand Dunes at sunset (photo) / Bridgeman Images

DGA1137726: USA; California; Mojave desert rock formations at sunset (photo) / Bridgeman Images

DGA1137732: Brazil; Parana State; Iguaçu National Park; Foz do Iguaçu; Iguaçu waterfalls (photo) / Bridgeman Images

DGA1137740: Brazil; Parana State; Iguazu National Park; Iguazu Falls (photo) / Bridgeman Images

DGA1137742: Italy; Valle d'Aosta Region; Mont Blanc Massif; Freestyle skier near Torino Hut (photo) / Bridgeman Images

DGA1137754: France; Mont Blanc Massif; Glacier du Geant and Aiguille du Plan (photo) / Bridgeman Images

DGA1137760: Italy; Piedmont Region; Pennine Alps; Valsesia; Macugnaga side of Monte Rosa Massif (photo) / Bridgeman Images

DGA1137763: Italy; Sardinia Region; La Maddalena Archipelago National Park; Island of Budelli; The Spiaggia Rosa (photo) / Bridgeman Images