Royalty-Free Operating Photos, dominant color: gray, sorted by aesthetic score

4928x3264

man in white hard hat, gray crew-neck t-shirt and blue jumpsuit holding paper watching building

Public Domain
2592x1944

classic blue train

Public Domain
3543x2362

Blue Coin Operated Binocular With City View during Daytime

Public Domain
5616x3744

grayscale photo of a soldier holding sniper rifle

Public Domain
6000x3173

red train illustration

Public Domain
4928x3264

man wearing blue overall suit looking at brown concrete building

Public Domain
3008x1960

two person kneeling beside helicopter land on snow field

Public Domain
2949x2344

grayscale photo of two soldier

Public Domain
7360x4544

woman wearing pink sleeveless top

Public Domain
4256x2832

selective focus photographed of man wearing white safety helmet

Public Domain
5343x3567

soldier fires rifle during daytime

Public Domain
3087x1760

black and green train

Public Domain
4347x2898

White and Black Dog Robot on Clear Glass Table

Public Domain
2832x4256

man working on electric wire

Public Domain
4000x2691

photo of three champagne glasses with champagne on white table cloth

Public Domain
3246x2160

person wearing blue collared top

Public Domain
4256x2832

man wearing gray shirt and blue romper with white hardhat

Public Domain
4149x2760

person holding ceramic tile

Public Domain
5440x3627

grey and black coin-operated telescope near brown wooden fence

Public Domain
4912x3264

grayscale photo of baby wearing long-sleeved shirt

Public Domain
4000x2667

Shot of the viewing station on the Top Of The Rock at the Rockefeller Centre in New York City

Public Domain
2657x3994

men fixing circuit board in control board

Public Domain
6623x4193

person wearing pink rubber glove washing black car

Public Domain
4096x2730

woman taking a peek on coin operated telescope

Public Domain
2048x1536

brown warfare truck photo during day time

Public Domain
6000x4000

person operating audio mixer

Public Domain
4272x2848

man riding a work car

Public Domain
3941x2623

repair man holding bar

Public Domain
7196x4130

grayscale photography of water buffalo with vintage walk behind plow

Public Domain
4288x2848

grayscale photo of toddler's

Public Domain