Olafur Eliasson and Random International

Olafur Eliasson - Beauty, 1993 (Montreal 2017)

Olafur Eliasson - Your Blind Passenger, Tunnel Installation

Random International Rain Room

see also: 

dramatic drone video documents the building of olafur eliasson's waterfall at versailles

www.designboom.com/art/video-olafur-eliasson-construction-waterfall-versailles-10-26-2016/

see www.olafureliasson.net for more info