From Twitter https://twitter.com/drsekula:

RT @symmetrymag: Construction has officially launched for the LZ next-generation dark matter experiment: http://www.symmetrymagazine.org/article/lz-dark-matter-detector-on-fast-track https://twitter.com/symmetrymag/status/831189443520311297/photo/1 https://chirp.cooleysekula.net/attachment/22347