All bar one of my campaigns have disappeared

When I go into Advertising and look at my campaigns the window now looks completely different and all my old campaigns have disappeared. I have started 4 new ones over the last week of which only one is showing.

Is this one of those things where they have hidden all the information from us and it now takes 3 clicks to find it? If so, can someone point me in the right direction, please? (Apologies if this has been covered before but I’ve been away for a few weeks with limited access to a computer.)

This is the page I am landing on now: