What are you talking about? WTC 1 was rebuilt.  https://www.youtube.com/watch?v=NbA89YbWoL8&feature=youtu.be WTC 7 was rebuilt https://www.youtube.com/watch?v=1NzidqNGK-4 WTC 2 is planned to look like this   https://cdn.vox-cdn.com/thumbor/z5DM_sPUg2id7ob-1Ilq3vSPyyg=/0x0:490x879/1320x0/filters:focal(0x0:490x879):format(webp):no_upscale()/cdn.vox-cdn.com/uploads/chorus_asset/file/4802095/32_01_Tower2_Rendering.0.jpg 4 World Trade  https://cdn.vox-cdn.com/thumbor/5qTO_e0wST2lGTlYPcOjU7EtpPg=/1200x0/filters:no_upscale()/cdn.vox-cdn.com/uploads/chorus_asset/file/5099787/1311111511a.0.jpg https://ny.curbed.com/2018/9/10/17838802/world-trade-center-nyc-construction-update