Alert Tension

Dam Warning Chain on Wet Steps at Aba in beside a hydroelectric intake near Aba

Dam Warning Chain on Wet Steps at Aba

Canon A-1 · beside a hydroelectric intake near Aba

 Weather Balloon Launch Tarp Snapping in Predawn Wind in beside an observatory dome in Washington

Weather Balloon Launch Tarp Snapping in Predawn Wind

Sony a7S II · beside an observatory dome in Washington

 Green Hydrophone Blinking Beside Chart Table in in Gulou, Beijing

Green Hydrophone Blinking Beside Chart Table

iPhone 13 Pro · in Gulou, Beijing

 Surreal Floodgate Chamber Snow and Sun in beside a water tower ladder in Tibet

Surreal Floodgate Chamber Snow and Sun

Panasonic Lumix DMC-GF1 · beside a water tower ladder in Tibet

 Midnight Naval Stretcher Bay Valencia Storm Aftermath in on a naval deck in rough wind in Valencia

Midnight Naval Stretcher Bay Valencia Storm Aftermath

Nikon D7500 · on a naval deck in rough wind in Valencia

 Dam Warning Chain on Wet Steps at Night in above a spillway chute with spray rising in Iran

Dam Warning Chain on Wet Steps at Night

Minolta XG 9 · above a spillway chute with spray rising in Iran

 Hydrophone Array Descending Into Blue Water in at a remote field station near Adana

Hydrophone Array Descending Into Blue Water

Leica M5 · at a remote field station near Adana

 Sodium Light Pumping Station Along Salalah Levee in along a levee path above floodwater in Salalah

Sodium Light Pumping Station Along Salalah Levee

Pentax ME Super · along a levee path above floodwater in Salalah

 Late Night Pumping Station Canal Water Lift in beside a storm surge barrier in New Zealand

Late Night Pumping Station Canal Water Lift

Nikon F3 · beside a storm surge barrier in New Zealand

 Dawn Welding Flare on Quarry Nuclear Dome in on a quarry ledge near Prato

Dawn Welding Flare on Quarry Nuclear Dome

Sony Alpha 55 · on a quarry ledge near Prato

 Weather Balloon Tarp Snaps in Silk Road Dawn Mist in beside a tidal survey transect in the Silk Road

Weather Balloon Tarp Snaps in Silk Road Dawn Mist

iPhone 12 Pro Max · beside a tidal survey transect in the Silk Road

 Safety Harness Rail at Dawn in Ecuador Construction Site in inside a taped-off excavation edge in Ecuador

Safety Harness Rail at Dawn in Ecuador Construction Site

Voigtlander Bessa R · inside a taped-off excavation edge in Ecuador

 Midnight Triage Tent Under Work Lights in beneath a field clinic canopy near Urgench

Midnight Triage Tent Under Work Lights

Fujifilm X-T30 · beneath a field clinic canopy near Urgench

 Midnight Observatory Deck Water Reflection Austria in on a wind-scoured research platform in Austria

Midnight Observatory Deck Water Reflection Austria

OnePlus 11 · on a wind-scoured research platform in Austria

 Dawn Spray on Dam Crest Road with Warning Lights in above a spillway chute with spray rising in Dumbo, New York

Dawn Spray on Dam Crest Road with Warning Lights

Canon EOS 1000D · above a spillway chute with spray rising in Dumbo, New York

 Dusk Breakwater Beacons Along Alabama Levee in along a levee path above floodwater in Alabama

Dusk Breakwater Beacons Along Alabama Levee

Fujifilm GFX100S II · along a levee path above floodwater in Alabama

 Ahvaz Dam Spillway White Water Dawn Fog in along a dam spillway near Ahvaz

Ahvaz Dam Spillway White Water Dawn Fog

iPhone 15 Pro · along a dam spillway near Ahvaz

 Green Hydrophone Rack Blinking on Chart Table in near Dublin

Green Hydrophone Rack Blinking on Chart Table

Hasselblad 500C/M · near Dublin

 Military Water Rack Surreal Ocean Doorway in beneath a camouflage net shelter in Ecuador

Military Water Rack Surreal Ocean Doorway

Nikon Z 6 II · beneath a camouflage net shelter in Ecuador

 Midnight Science Shelf Weather Station Senegal in near a weather balloon launch site in Senegal

Midnight Science Shelf Weather Station Senegal

Canon EOS R5 Mark II · near a weather balloon launch site in Senegal

 Upward Rain Hydrophone Belize Outcrop in along a rocky geology outcrop in Belize

Upward Rain Hydrophone Belize Outcrop

Fujifilm X-S10 · along a rocky geology outcrop in Belize

 Hydrophone Array Lowered From Research Vessel in near a weather balloon launch site in Northwest Territories

Hydrophone Array Lowered From Research Vessel

Nikon D3X · near a weather balloon launch site in Northwest Territories

 Warning Chain Stretched Across Wet Dam Steps at Can Tho in along concrete walls above turbulent water near Can Tho

Warning Chain Stretched Across Wet Dam Steps at Can Tho

Fujifilm X-H2 · along concrete walls above turbulent water near Can Tho

 Blinking Green Hydrophone on Chart Table in near Port of Spain

Blinking Green Hydrophone on Chart Table

Samsung Galaxy Note 10+ · near Port of Spain

 Frozen Water Splash Over Military Charger Shelf in at a checkpoint lane in Estonia

Frozen Water Splash Over Military Charger Shelf

Sony Xperia 1 VI · at a checkpoint lane in Estonia

 Weather Balloon Launch Tarp Snapping in Dawn Wind in on a wind-scoured research platform near Thiruvananthapuram

Weather Balloon Launch Tarp Snapping in Dawn Wind

iPhone 8 · on a wind-scoured research platform near Thiruvananthapuram

 Predawn Construction Rack with Warning Tags in on an active construction deck in the Amazon

Predawn Construction Rack with Warning Tags

OM System OM-3 · on an active construction deck in the Amazon

 Moonlit Avalanche Chute with Lighthouse Sweep Light in from a quiet alpine saddle near Adana

Moonlit Avalanche Chute with Lighthouse Sweep Light

Samsung Galaxy S21 · from a quiet alpine saddle near Adana

 Predawn Amber Beacons on Andes Dam Deck in along concrete walls above turbulent water in the Andes

Predawn Amber Beacons on Andes Dam Deck

Canon EOS R8 · along concrete walls above turbulent water in the Andes

 Red-Lit Weather Balloon Tarp on Wet Algerian Asphalt in near a weather balloon launch site in Algeria

Red-Lit Weather Balloon Tarp on Wet Algerian Asphalt

Nikon D1 · near a weather balloon launch site in Algeria

 Chemist Weighs Cobalt Crystals Aden Blue Hour in in Aden

Chemist Weighs Cobalt Crystals Aden Blue Hour

Canon EOS R50 V · in Aden

 Predawn Looms on Quarry Ledge Port Vila in on a quarry ledge near Port Vila

Predawn Looms on Quarry Ledge Port Vila

OnePlus 12 · on a quarry ledge near Port Vila

 Iranian Breakwater Beacons Dusk Light in beneath transmission towers in Iran

Iranian Breakwater Beacons Dusk Light

Fujifilm X-H1 · beneath transmission towers in Iran

 Warning Beacons at Nautical Dawn Light in Valparaiso in in Valparaiso, Chile

Warning Beacons at Nautical Dawn Light in Valparaiso

iPhone 12 · in Valparaiso, Chile

 Vibrating Spillway Apron Before Sunrise in above a spillway chute with spray rising in Shah Faisal Town

Vibrating Spillway Apron Before Sunrise

Nikon D4 · above a spillway chute with spray rising in Shah Faisal Town

 Blue Hour Triage Tent on Oaxaca Hospital Rooftop in on a hospital rooftop helipad near Oaxaca

Blue Hour Triage Tent on Oaxaca Hospital Rooftop

Sony Xperia 1 VI · on a hospital rooftop helipad near Oaxaca

 Military Hospital Tent Silhouetted Against Reef Sky in on a naval deck in rough wind in the Great Barrier Reef

Military Hospital Tent Silhouetted Against Reef Sky

Nikon D40 · on a naval deck in rough wind in the Great Barrier Reef

 Tijuana Triage Tent Fog Floor in outside an emergency intake entrance in Tijuana

Tijuana Triage Tent Fog Floor

Leica M10 · outside an emergency intake entrance in Tijuana

 Frosty Balloon Launch Tarp and Cylinders in Austria in on a wind-scoured research platform in Austria

Frosty Balloon Launch Tarp and Cylinders in Austria

Nikon D300 · on a wind-scoured research platform in Austria

 Flood Control Room Under Noon Sky in beside a storm surge barrier near Ndjamena

Flood Control Room Under Noon Sky

Leica M8 · beside a storm surge barrier near Ndjamena