Hi, I may be interested in the Bern concert at the Bernexpo Areal Openair. Is anyone familiar with this venue? Is it an open field? (which the name suggests). I have done some Googling but I cannot really find this on Google.

In order to be well prepared for tomorrow's presale for Amsterdam I want to check which page I should go to when the presale starts? Is it on this page? Will there be a "buy tickets" button at 10 AM? https://www.muse.mu/tour-date/amsterdam-netherlands-ziggo-dome-amsterdam-netherlands-2019-04-05-000000 And another question, how many tickets can you buy?