I want to buy a very tall houseplant or tree for my Loft apartment: which one is best?

I am not keen on ficus trees

I have a 16ft ceiling and would like a big plant or tree to be approximately 14ft high

It would need to be easy to keep (no shedding of leaves) and water ie once a week and maybe the tree could be OK for 2 weeks unattended?

Thanks in advance!
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