Oh dear, I may have to do some chores this afternoon as even I managed to do this while listerning to the Archers! Only had to look up a few things. No doubt you regulars will have finished in about...
A fit of the screaming thingies - if that goes in 6dn then the Siberian lake goes in 16ac but then 8dn doesn't fit with any of the answers in its cluster. What am I doing wrong?