Spain will now play host to a series of United Nations climate talks in December.
It comes after original hosts Chile pulled out following anti-government protests in the country.
However the last minute change in venue is proving to be a logistical challenge.
Spanish visas and accommodation also have to be issued for the 25,000 people who are expected to attend the event.
It's also left 16-year-old environment activist Greta Thunberg stuck on the wrong continent.

Trump touts $5,000 payout if Republicans win as Vance waits in wings
Search expands after Philippine ferry fire kills five and leaves dozens missing
Trump says Iran war to end after US midterm elections
US military says it struck vessel in Caribbean, killing 3
At least 14 killed in explosion at weapons depot in Syria
US hits five Iranian oil tankers after attack on Navy ships
UK gives air traffic provider a week to probe outage that halted flights
Serbia's President Vucic dissolves parliament, calls snap elections
