Cryptic crossword No 3,892

Across

• 4 acrossFlying East Angels avoid North, Such a lovely place... Such a lovely place. (6)
• 6 acrossWe need to cross this country gate, but is that ancient thing safe? Looks antique/traditional. (3,5)
• 9 acrossMad Red dog makes artful baseball player (6)
• 10 acrossStart with 50 cigarette papers. Shuffle- it's a virtual band (8)
• 11 acrossSpanish fUll-back. Forgive capitalize U? (11)
• 15 acrossSounds like what King Charles puts on his Christmas shelf. You see it in the mirror. (7)
• 17 acrossNoisy owl is quite mad (7)
• 18 acrossInitial experiments might indicate growth! Add rations to this for new beginnings abroad. (11)
• 22 acrossCaribbean cocktail sounds like Pavlovian pirate experiment. (3,1,4)
• 23 acrossSinking city is mostly Very nice. (6)
• 24 acrossClassic horror remake literally makes Romans sigh. (8)
• 25 acrossHard to believe head of university goes back to learn (6)