The time box is about to open after half a century

A time box set in the memorial Helium Time in Texas, USA, from 1968 will be opened in September this year.

The box will be opened in September this year.

Helium Time Memorial is a 6-storey stainless steel building to celebrate the 100th anniversary of Helium discovery.

According to Atlas Obscura, memorial station, 4 time boxes placed in the inclined column have many books, manipulations and documents to "tell the future generation about life 1968".

Helium gas is pumped into each column, to protect fragile materials and other objects from damage.

Each time box is opened after a different time period.

The first box was opened after 25 years in 1993, the remaining boxes will be opened in turn: 50, 100 and 1000 years.