This is the newly-created Civilization series introducing Coastal-North America HDRI maps. It shows human settlements around salt water, seas and oceans.
It's a series of 24 new maps rendered in 4k, 8k and 16k at 6 different times of day (Dawn to Sunset) and 4 different altitudes (6,000 feet to 33,000 feet):
https://dreamcatcherhdri.artstation.com/store
About DreamCatcherHDRI:
We have more than 25 years of experience in the CGI field including a decade in the aeronautical and aerospatial industry (Dassault Aviation, Swiss Space Systems, Airbus Helicopters, Safran).
<< 360° HDRI Map >>
Camera Altitude: 2,000 m / 6,000 feet
Time of day: Midday
Cloud Layer1: Cumulus
Cloud Layer2: Cirrus
Sun brightness: 15.63 EV
https://www.artstation.com/a/42220603
<< 360° HDRI Map >>
Camera Altitude: 2,000 m / 6,000 feet
Time of day: Dawn
Cloud Layer1: Cumulus
Cloud Layer2: Cirrus
Sun brightness: 13.30 EV
https://www.artstation.com/a/42220600
<< 360° HDRI Map >>
Camera Altitude: 2,000 m / 6,000 feet
Time of day: Afternoon
Cloud Layer1: Cumulus
Cloud Layer2: Cirrus
Sun brightness: 15.80 EV
https://www.artstation.com/a/42220604
<< 360° HDRI Map >>
Camera Altitude: 4,000 m / 12,000 feet
Time of day: Dawn
Cloud Layer1: Cumulus
Cloud Layer2: Cirrus
Sun brightness: 15.26 EV
https://www.artstation.com/a/42220606
<< 360° HDRI Map >>
Camera Altitude: 4,000 m / 12,000 feet
Time of day: Midday
Cloud Layer1: Cumulus
Cloud Layer2: Cirrus
Sun brightness: 16.29 EV
https://www.artstation.com/a/42220609
<< 360° HDRI Map >>
Camera Altitude: 4,000 m / 12,000 feet
Time of day: Sunrise
Cloud Layer1: Cumulus
Cloud Layer2: Cirrus
Sun brightness: 15.86 EV
https://www.artstation.com/a/42220607
<< 360° HDRI Map >>
Camera Altitude: 10,000 m / 33,000 feet
Time of day: Morning
Cloud Layer1: Cumulus
Cloud Layer2: Cirrus
Sun brightness: 16.23 EV
https://www.artstation.com/a/42220594
<< 360° HDRI Map >>
Camera Altitude: 4,000 m / 12,000 feet
Time of day: Sunset
Cloud Layer1: Cumulus
Cloud Layer2: Cirrus
Sun brightness: 14.61 EV
https://www.artstation.com/a/42220611
<< 360° HDRI Map >>
Camera Altitude: 6,000 m / 18,000 feet
Time of day: Dawn
Cloud Layer1: Cumulus
Cloud Layer2: Cirrus
Sun brightness: 15.75 EV
https://www.artstation.com/a/42220612
<< 360° HDRI Map >>
Camera Altitude: 6,000 m / 18,000 feet
Time of day: Sunset
Cloud Layer1: Cumulus
Cloud Layer2: Cirrus
Sun brightness: 15.46 EV
https://www.artstation.com/a/42220591
<< 360° HDRI Map >>
Camera Altitude: 2,000 m / 6,000 feet
Time of day: Sunrise
Cloud Layer1: Cumulus
Cloud Layer2: Cirrus
Sun brightness: 15.14 EV
https://www.artstation.com/a/42220601
<< 360° HDRI Map >>
Camera Altitude: 10,000 m / 33,000 feet
Time of day: Dawn
Cloud Layer1: Cumulus
Cloud Layer2: Cirrus
Sun brightness: 15.03 EV
https://www.artstation.com/a/42220592
<< 360° HDRI Map >>
Camera Altitude: 10,000 m / 33,000 feet
Time of day: Midday
Cloud Layer1: Cumulus
Cloud Layer2: Cirrus
Sun brightness: 16.07 EV
https://www.artstation.com/a/42220596
<< 360° HDRI Map >>
Camera Altitude: 10,000 m / 33,000 feet
Time of day: Sunset
Cloud Layer1: Cumulus
Cloud Layer2: Cirrus
Sun brightness: 15.64 EV
https://www.artstation.com/a/42220598