eric prybz's "proper education" video?

Question

one of the guys in the video puts a brick or something into the fridge. How does that save energy?

Answer 1

From Wikipedia:

Proper Education is song by the by Swedish DJ and producer Eric Prydz. The original song by Pink Floyd, Another Brick in the Wall, is were Prydz originally remixed the song. Prydz then says that we don't need an education to save the environment. It shows the bricks in the toilet saying that brick are as valuable as sewage so block stuff up with bricks and save the environment. It's music video relates to global warming and saving the environment by saving energy. It was been shown in some science classes who are learning about the subject of saving energy

Eric Prydz (born July 19, 1976, in Täby, Stockholm, Sweden) is a Swedish DJ and producer best known for his 2004 hit single "Call on Me", a remake of Steve Winwood's classic hit "Valerie", which topped the UK singles charts for five weeks.

Prydz' "Call on Me" single stopped the Manic Street Preachers from reaching number one with "The Love of Richard Nixon". "Call On Me" was also number one on the German Top100 for six consecutive weeks. Eric Prydz also releases music under several other aliases including Cirez D, Pryda, Moo and Sheridan. Additionally he has collaborated under the names Axer (with fellow Swede Axwell), A & P Project (with fellow Swede Steve Angello), Dukes Of Sluca (with Andreas Postl), Hardform and Groove System (both with Marcus Stork).

Prydz' music falls under many genres, depending on which alias it is released under. Tracks released under his own name tend to be plain house, whilst songs under the Cirez D moniker are generally progressive house with an electro house edge. Pryda songs are almost exclusively progressive house, with melodic synths that give them a very distinct and instantly recognizable sound.