It is assumed, that it will be built by 2050 year, will be 4 times bigger and 10 times more powerful than LHC, but most interesting that – the expected cost of will be more than 20 billion.
Here it is, no more and no less… let's add to this account endless cosmos, many other useless and even harmful projects…
Meantime people on the planet are hungry, nature is destroyed, and people are not getting happier.