Tui De Roy / Volcan Alcedo giant tortoises (Chelonoidis nigra vandenburghi) having a noon siesta, Alcedo Volcano, Isabela Island, Galapagos Islands, Ecuador

Nick Upton / Two Kentish snails (Monacha cantiana) aestivating on Goatsbeard / Jack-go-to-bed-at-noon (Tragopogon pratensis) seedhead, chalk grassland meadow, Wiltshire, UK, July.

Nick Upton / 2020VISION / Noon fly (Mesembrina meridiana) on Mexican orange blossom (Choisya ternata) flowers in garden, Wiltshire, England, UK, April. . Property released.

Nick Upton / Noon fly / Noonday Fly (Mesembrina meridiana) 'bubbling' stomach contents, perhaps a form of external digestion in flies. Wiltshire, UK, May.

Nick Upton / Noon / Noonday fly (Mesembrina meridiana) feeding on Ivy flowers (Hedera helix) with Blackberry fruits (Rubus fruticosus) in the background. Wiltshire garden, UK, September

Tui De Roy / Marine Iguana (Amblyrhynchus cristatus) pair in sky-pointing position to keep cool in noon sun, Galapagos Islands, Ecuador

Tui De Roy / Marine Iguana (Amblyrhynchus cristatus) group in sky-pointing position to keep cool in noon sun, Galapagos Islands, Ecuador

Tui De Roy / Marine Iguana (Amblyrhynchus cristatus) in sky-pointing position to keep cool in noon sun, Galapagos Islands, Ecuador

Tui De Roy / Marine Iguana (Amblyrhynchus cristatus) in sky-pointing position to keep cool in noon sun, Galapagos Islands, Ecuador

Stephen Dalton / Noon / Dung fly (Mesembrina meridiana) taking off from water mint flower, note the 180 degree wing twist, UK

Nick Upton / Noon fly / Noonday fly (Mesembrina meridiana) sunbasking on Ivy leaf (Hedera helix) Wiltshire garden, UK, September.

Nick Upton / Noon / Noonday fly (Mesembrina meridiana) using proboscis to nectar feed from Ivy (Hedera helix) flowers. Wiltshire garden, UK, September.

Nick Upton / Noon fly (Mesembrina meridiana) sun-basking on leaf, Wiltshire, UK, spring

Yva Momatiuk & John Eastcott / Man hiker, 52, in shorts, boots and hat, carrying backpack and water bottle, standing and looking ahead at the difficult and rocky broken terrain he wants to hike in, autumn noon, Badlands National Pa...

Yva Momatiuk & John Eastcott / Woman hiker's tired feet in dusty boots against backdrop of sandstone buttes, autumn noon, Paria Wilderness Area, Arizona

Yva Momatiuk & John Eastcott / Dramatic big cumulus clouds in blue sky over Grand Canyon at noon, Toroweap Overlook, Grand Canyon National Park, Arizona

Yva Momatiuk & John Eastcott / Large windfarm at work on ridge in high desert grasslands with a multitude of turning turbines and a big sky full of cumulus clouds, summer, noon, Wyoming

Yva Momatiuk & John Eastcott / Windfarm turbine at work in high desert grasslands, summer, noon, Wyoming

Yva Momatiuk & John Eastcott / Eroded sandstone cliffs and hills with colorful layers in Grand Staircase-Escalante National Monument, noon, Utah

Kim Taylor / Dung / Noon fly {Mesembrina meridiana} feeding on Hogweed, Surrey, England.

Jim Brandenburg / Frozen lake surrounded by coniferous forest on the year's shortest day, Minnesota

Barry Bland / A man navigating by Sextant, a measuring instrument generally used to measure the angle of elevation of a celestial object above the horizon. Model Released. ^^^Making this measurement is known as sig...

Barry Bland / A man navigating by Sextant, a measuring instrument generally used to measure the angle of elevation of a ^^^celestial object above the horizon. Making this measurement is known as sighting the object...

Premaphotos / Noonday flies (Mesembrina meridiana) basking on Birch tree trunk, UK

Yva Momatiuk & John Eastcott / Close-up of intricate patterns of eroded sandstone cliffs in a small canyon near Churchwells, noon, Utah