One ambitious plan is to raise the centre of Aberdeen
A public meeting over controversial proposals for the future of Aberdeen's Union Terrace Gardens is due to be held.
Plans for a £140m development called City Square have a promise of £50m in funding from businessman Sir Ian Wood.
However, arts organisation Peacock also has plans for a £13m centre.
The meeting for interested parties has been organised by Aberdeen North Labour MP Frank Doran at The Citadel in Castle Street from 1830 GMT on Thursday.
Aberdeen City and Shire Economic Future (Acsef), a public-private development agency, has said internationally acclaimed architects would be invited to come up with designs for the City Square project, which would raise the centre of Aberdeen as a civic space and gardens with an arts centre.
A public consultation is being held on the plans.
Approval for Peackock's new centre in the gardens has already been given.
Acsef has confirmed representatives will be at the meeting, but said it feared it would be "hi-jacked by vociferous objectors".
Acsef chairman Tom Smith said: "We still intend to participate in the hope that we can dispel the myths and raise the level of debate so that it is about the future of our city centre, about economic regeneration and jobs."