archive.org/web/20161019192624/http://www.panoramio.com/user/141827?with_photo_id=57667332 operator: Panoramio described at URL: https://web.archive...
2648 1598 428 398 6000 4000 control tower (aviation) This file is licensed under the Creative Commons Attribution 3.0 Unported license. You are free: to...
English operator: Panoramio described at URL: https://web.archive.org/web/20161012061430/http://www.panoramio.com/photo/15279646 determination method...
archive.org/web/20161016155759/http://www.panoramio.com/user/760796?with_photo_id=41982073 operator: Panoramio described at URL: https://web.archive...
English operator: Panoramio described at URL: https://web.archive.org/web/20161017131245/http://www.panoramio.com/photo/41982087...
archive.org/web/20161018013138/http://www.panoramio.com/user/760796?with_photo_id=41982110 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161017171127/http://www.panoramio.com/user/5162897?with_photo_id=49148101 operator: Panoramio described at URL: https://web.archive...
panoramio.com/user/256932?with_photo_id=1281914 operator: Panoramio described at URL: https://web.archive.org/web/20161011090513/http://www.panoramio...
archive.org/web/20161014115531/http://www.panoramio.com/user/2194619?with_photo_id=29734424 operator: Panoramio described at URL: https://web.archive...
archive.org/web/20161013034110/http://www.panoramio.com/user/859645?with_photo_id=11288237 operator: Panoramio described at URL: https://web.archive...