References
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Images:
WTC towers. Retrieved from https://lh3.googleusercontent.com/mPBxpMTi5fGDhtk2Woaz0j17c0ohS22bnGTsN6qRBfrfiTKuO3otvPkIJrbpO0EAX25d5defBMoGtHKIP_zARPx0yHyLKsH3D0i5un0B9-jXTAIV8MPtyZiu
Plane about to strike tower. Retrieved from https://lh5.googleusercontent.com/NXGMTXpKVA8JjnRQN4TnWuQnmoxMYXzcrOfvodJob_0a6fVbHQUJukblJaoQ4Vutvg1KAGKdAGajGoeHfdSRCBki67FSg1uM0sVx9odMP7pk3cgWRzvk-Os9
Tower explosion. Retrieved from https://lh5.googleusercontent.com/hDs9czPIwkaMf6VW1SJ0I2_RWaiKURJWTVsZDXVjQhjgU7ELowHLZeAjfmFXvT4fjsS6rd41Mv5a7aTlpOkYlFDngIZOUy-E4OZ-a9Ht1eJDq6W0UBN81mfb
Tower collapse. Retrieved from https://lh3.googleusercontent.com/TIiwLm7_Q1PnX52YZi28ZJqatwFF32ye-3BNrWRk0s63Og2uIJ4fvQfLV3GF51LUnT5IKvbzAw8FHFqqoYortE0Rnjc8b8BZGRJIXr1a1BhCr-hULPRWBzvA
Tower collapse. retrieved from https://lh5.googleusercontent.com/Dq8Y7zPbl_r0raLbAY6MV0_CXhUOiHpZooTf1EPyS2U1p0LygZi22S3m7rvBHGVGQAZGblW5djZXAZkGmh-Samuowf78HlOtwTBi149geVKMGWA60q5fcvH_
Towers burning. Retrieved from https://lh6.googleusercontent.com/ccIsXZv_f3APHDMYb_HM-07jkzz5dRgBFEmRO4MNZSUjAvtB0lMODlyX0Kpw0cpjzN9WYjap7VbVxtH0q8Eg9OcoxWqddUw-CzS3SxaxHW8Hen1Tzj8hLQ12
People at the windows. Retrieved from https://lh5.googleusercontent.com/R3-JXGhdypbgDugmMtnqTEz1MeWf8e-G9dqBVv2qISm0yZkxQaK18cYeJt7TzyAHvbyZFfXA8VZmASeZmNc4lwlsWT3jF9vcyBzWnmgwKJCK7GBbSX1u7J5e
Lone man falling. Retrieved from https://lh4.googleusercontent.com/JFGgInAxoX4CwpPc_41Kb2RC6EVzARbsyigt2kan9xM6wUumE3u2yOrgqMWbGFDlAzTUPeM61t-3soZvOnFNcM78v4hWAdiTgUMfftmgQD8isAC_-eA5kE9l
Pair falling. Retrieved from https://lh5.googleusercontent.com/MjsxHVIGmuM5Ww91ubJg7UWA2CFeVwoCfYw5SwUtB-ye3-s2-onNhN_WPGhrG4y57oHrj6kVIK3Pf8BS3sSXkh8dZFyr9DTzGFv9sAd1_d5D1a8Nw77r3Tik
Rescuers (black and white). Retrieved from https://lh6.googleusercontent.com/INcg2xpnufZa1a0yOpQLpFiYsLwMITUv6ET-Cr2ugGfIato45Gb-AE7dXu4fNaTLhO5Fw9jQsp8fj34QZYEGvu2u-70LtXD2NCaF_S6Ewa5v-QNsRC51NVhl
Rescuers. Retrieved from https://lh6.googleusercontent.com/0amc6B461GfzKCC3l-PAXbwXIPdH1-4qq3lEEyKLcNMkgYZYgyeoniOjllKlXRLiNXhHjHR196OW_hLx8zTr2xK2FjIMeV3a-Iej3sS2635Gg8wMsL6ra3ix
Rescuers. Retrieved from https://lh3.googleusercontent.com/Bjyx8Q9RH0S7zZ6FZeLUh23Lyg6Swai7A-3xiUrvJ060ahoekZTeu9cOhnNudIJJ1Cz6RNJ-4tqygQ2FJTQWPvDaWyPJGXHotex7r3lnY2sIFDuVB_aUqxkB
Painting detail. Retrieved from https://lh6.googleusercontent.com/ySLrmbxBhHBlj4Rcqv5kmFGDU4aqHiyQnM96CAJom3guJgXxVd_kULQzwJfJ9X1Iz_aF2KEf1UfcON6opUQ0tM4GP731DLnxhT50s3itDfA-v7FjyRQdHWoW
Woman covered in ash. Retrieved from https://lh3.googleusercontent.com/YXKfWiwFKtgOoOMzg8xMtA33J-PVyUkl_UQcRRTz1gDaZPLean1uqNVUsdpt7NtSQdEV3ulvNp2CQnO2FUVPd6No76kamcC9eaLZ_2-Gm2c13N50LuUIaxUj
Rescuer covered in ash. Retrieved from https://lh5.googleusercontent.com/7kIWMtoKOHr_EuKIitcMeQGB5BEbBsNz5SbI5qtipgIj0BBJJKKx_uNKB1J7lNLtDz_rx35UHECx1ClwxTCSMBKeh1GcqcjDRfVbFrugORM5OC8NCKryMh3T
Man with briefcase. Retrieved from https://lh5.googleusercontent.com/kkNGbl0GwDjKhPoMLrVpNkFJD_o9z84lWbNRFBe579Q-3kyk3lohUdk8OZlDWtz4MhbgkUJnpMttynlG-cK_xHxXFHZwSR0X8JSfRSuQ2qpkE5a-ZlK973Y9
Firemen among wreckage (color). Retrieved from https://lh4.googleusercontent.com/CCGxf36w8ySRK7SRFxLVIyGpcb7YLzb-y__Yxxd_WSXGJQ0yPrrJbqGPo1I0XlNYUBdmtkfXkce6fWEeEA_NMlmqISY85RcJQQzzONDLeEo3j-6riPJzIxs1
Firetruck among wreckage. Retrieved from https://lh5.googleusercontent.com/ZiJp5uTF66yRPAuaw_vBegt36W2BUHep16W5BjrXfs_fq3dvFlLTNyzSC9FFyGpu7kFSCwJ_kd2MfBkXZlY4l4RYSQ7qDLrIFjSJVNDyYJt-_TAJhd83qkOe
People fleeing. Retrieved from https://lh3.googleusercontent.com/UkXwK-9WVFB6oPc4cXuqAuSNGHx7iEgaT5IYTNxUuzqePaspbS-zon_CbGkjnGJWG6h9PKO0pes4b581D0MQ3f-fKjDMZLYv4rmBrgyPcXRfOuI2_hJQ56do
People fleeing (II). Retrieved from https://lh3.googleusercontent.com/-yjtV1AYtTa7okPR03b7UXGo5dz-Aypfzk_OUuMt8JWt_70axqbEUWUmyr37svSbHPcUr5VkQHThwlnJT3EsOETyLglQFhXGQL_-XJXP3oe0vJorHBRIHW8F
Billowing smoke (Statue of Liberty). Retrieved from https://lh6.googleusercontent.com/gLA_SyhMMuVEPzSfv9v7Mkmf5S08Kmy0HLYPA8S7dI1FXGnewGGBz8UGZIPZzNWgzcXHypnGvhL1I27_OjbKqey_Nxzll_dhTVL82v_B-1ZylXzCjpj72_gE
Wreckage (black and white). Retrieved from https://lh4.googleusercontent.com/MEQPjHnJF2-4CXqkoPwsqFg699NgarFF0q5g6p6XfOCGjodR8u1RYgct6bWFIBfNva6wFXhTLcBXvkgqvc1vauTJSq3G2Xd2mO6VfJp0AbCjeZvmOq5yvF_v
Wreckage (color). Retrieved from https://lh3.googleusercontent.com/uP5Qapj6eEx6OUnk9Cus4FDnK6rH9g7cmx2CwLYUwyEampLOZxLEMc6f0lK53RTA_LbHAUYyIwoE-G1_qjQ76wBSU_WFrX-QQcqqgsEuLavKPUexEcKDhpON
Firemen searching wreckage. Retrieved from https://lh6.googleusercontent.com/2KupgwIve3o9OQNqvwF6p1Mah3ypOf8IZpBsH545yKvFwZJIr7OZFUcJYD0C0MRKXTGrl7qpa81CgxlbTA2Popq22Q_h-I4RH62fpuhx2wEvafGvdSjTj9Q3oQ
Second plane about to strike tower. Retrieved from https://lh5.googleusercontent.com/hdYFbEVyrzdkknK6OF3XVz3Kt6qLC8VpITaUc6ruAau2Yl-UYHcpISnELxT7J7aS6WU9dawZQuSCUSYfsV2Rth0vAof-cIEC3mt8M0lBK_JwbjI-nCC6uFBA
Explosion (ground view). Retrieved from https://lh6.googleusercontent.com/-A2u0HBD3D-mAwETTnKmYdsLSge_gPIvPmo--h-blEAXcUjaAUVpdGqKXqFBaTpDRu5H_eLr0X6c9yTe1AAWIkvATZWVFMo-F7nA-EuAZFYB3XEJu4SFt-mm
New York Times front page from Sept. 12, 2001. Retrieved from http://www.nytimes.com/packages/html/nyregion/9-11imagemap.html
Video Montage of news reports from September 11, 2001. Retrieved from https://archive.org/details/911