Opening Day at Expo Milano 2015

Even with rainy skies and protests in the streets, the long-awaited and much-criticized Expo Milano 2015 opened this first day of May.

We've combed Instagram to present visitors' impressions of some of the pavilions addressing the Expo theme "Feeding the Planet, Energy for Life."

Brazil Pavilion, Studio Arthur Casas:

China Pavilion, Tsinghua University & Studio Link-Arc:

A photo posted by Eugenio Comincini (@eugeniocomincini) on May 1, 2015 at 7:36am PDT

A photo posted by Claudio Donnini (@claudio400) on May 1, 2015 at 7:38am PDT

Italy Pavilion, Studio Nemesi & Partners:

Russian Federation Pavilion, SPEECH Tchoban&Kuznetsov:

A photo posted by Irene Kung (@irene__kung) on May 1, 2015 at 12:09pm PDT

UK Pavilion, Wolfgang Buttress:

A photo posted by Elisa - eli.puma@gmail.com (@elisa0406) on May 1, 2015 at 10:50am PDT

Vanke Pavilion, Daniel Libeskind:

A photo posted by spirit of space (@spiritofspace) on May 1, 2015 at 7:24am PDT

USA Pavilion, Biber Architects:

A photo posted by Marco (@11bluesky88) on May 1, 2015 at 6:30am PDT

A photo posted by photographers4expo (@p4expo) on May 1, 2015 at 12:59am PDT