A man walking on an escalator Tags: airport architecture blue ceiling color commuter hallway indoors london london underground metallic moving walkway passage person perspective station steel subway system symmetry terminal train station transportation transportation system tunnel underground underground station urban walkalator N Naveen Annam | 2 images Download 452 viewsLike it? 1Say thanks Crediting isn’t required, but is appreciated and allows photographers to gain exposure. Copy the text below.Photo by Naveen Annam on Pixeor.com CopyAdvertising Related Images MMohamed Almari 597 0 SScott Webb 358 1 TTobi 404 2 RRicardo Esquivel 566 2 AArtem 805 3 ffreestocks.org 367 1 AAnna Guerrero 397 RRicardo Esquivel 385 1 BBrett Sayles 565 2 SScott Webb 449 1 FFeson Xie 358 1 NNubia Navarro (nubikini) 477 2 CChris Dunne 418 2 PPedro Sandrini 741 1 FFOX 426 2