Construction21 wishes you the best for 2018 by Sylvain Bosquet / le 2018-01-02 00:00:00 / International / vus 2192 2017 was a year of positive energy for Construction21. We wish you the same for 2018: lots of innovation, experience sharing, and progress for a more sustainable world. The Construction21 Team 2018 2017 new year wishes video