Statue of Mary Seacole at St Thomas' Hospital, London (© Pajor Pawel/Shutterstock)(Bing United Kingdom)

The Ivishak River, Alaska, USA (© Don Paulson/Danita Delimont)(Bing United Kingdom)

The Roman amphitheatre of Itálica near Santiponce, Spain (© Amazing Aerial Agency/Offset by Shutterstock)(Bing United Kingdom)

Andromeda galaxy (© NASA/JPL-Caltech)(Bing United Kingdom)

Aerial view of kindergarteners drawing on a canvas in Nantong, in the Jiangsu province of China (© Xu Hui/VCG via Getty Images)(Bing United Kingdom)

Dallas Divide in south-west Colorado, USA (© Ronda Kimbrow/Shutterstock)(Bing United Kingdom)

Huay Mae Khamin waterfall in Khuean Srinagarindra National Park, Thailand (© Casper1774Studio/Getty Images)(Bing United Kingdom)

Common octopus in sea grass in the Gulf of Lion in the Mediterranean Sea (© BIOSPHOTO/Alamy)(Bing United Kingdom)

Sandhill cranes and mallard ducks, Bosque del Apache National Wildlife Refuge, New Mexico, USA (© Cathy & Gordon Illg/Jaynes Gallery/DanitaDelimont.com)(Bing United Kingdom)

Rainbow abalone shell, New Zealand (© Lynda Harper/Minden Pictures)(Bing United Kingdom)

Low angle view of Rame Head, Cornwall. (© Cavan Images/Offset)(Bing United Kingdom)

Saint-Malo in Brittany, France (© Mathieu Rivrin/Moment/Getty Images)(Bing United Kingdom)

An ichthyosaur fossil of the Jurassic period, Dinosaurland Fossil Museum, Lyme Regis, Dorset (© Christopher Jones/Alamy)(Bing United Kingdom)

Saguaro 'family' and Milky Way, Saguaro National Park, Arizona, USA (© Christian Foto Az/Shutterstock)(Bing United Kingdom)

Farra di Soligo in the Prosecco Hills of Veneto, Italy (© Olimpio Fantuz/Sime/eStock Photo)(Bing United Kingdom)

Aerial view of the Temple of Hatshepsut near Luxor, Egypt (© Ratnakorn Piyasirisorost/Moment/Getty Images)(Bing United Kingdom)

Redwood Memorial Grove in Whakarewarewa Forest, North Island, New Zealand (© Michael Breitung/Huber/eStock Photo)(Bing United Kingdom)

Capel Curig in Snowdonia National Park (© Sebastian Wasek/Sime/eStock Photo)(Bing United Kingdom)

The Fanal Forest on Madeira Island, Portugal (© Val Thoermer/Alamy)(Bing United Kingdom)

Brown-throated three-toed sloth in Manuel Antonio National Park, Costa Rica (© Lukas Kovarik/Shutterstock)(Bing United Kingdom)

Otter (Lutra Lutra) in seaweed, Ardnamurchan. (© Michael Durham/Minden Pictures)(Bing United Kingdom)

Foley's Bridge over the Shimna River in Tollymore Forest Park in County Down. (© Adrian McGlynn/Alamy)(Bing United Kingdom)

Eurasian scops owl in Bohemian Switzerland National Park, Czech Republic (© Milan Zygmunt/Alamy)(Bing United Kingdom)

Bavljenac Island, Croatia (© Julien Duval/Amazing Aerial Agency)(Bing United Kingdom)

Dyavolski Most (Devil's Bridge) over the Arda River in Bulgaria (© Petar Mladenov/Alamy Stock Photo)(Bing United Kingdom)

Red fox in the Black Forest, Baden-Württemberg, Germany (© Klaus Echle/Minden Pictures)(Bing United Kingdom)

A pumpkin patch in Newton, Massachusetts, USA (© Frank Debonis/EyeEm/Alamy Stock Photo)(Bing United Kingdom)

Necropolis near Dargavs, North Ossetia, Russia (© Yakov Oskanov/Shutterstock)(Bing United Kingdom)

An unkindness of ravens in Juneau, Alaska, USA (© Brian Browitt Photo/Adobe Stock)(Bing United Kingdom)

Misty pine forest in the Central Highlands of Vietnam (© Thanh Thuy/Moment/Getty Images)(Bing United Kingdom)

Grotesques at York Minster, York (© John Potter/Alamy)(Bing United Kingdom)