The planned theme park in Britain is similar to one in Spain which is due to open to the public in 2015. A promotional video has been produced for the Spanish version.
More top news
Through the day, most of the cloud should break up to leave fine conditions for many with spells of sunshine.
The Eiffel Tower in Paris was plunged into darkness, with the Burj Khalifa in Dubia emblazoned with the Union Jack.
The major party leaders' campaigns for the General Election will remain suspended on Wednesday following the Manchester terror attack.