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.

UK PM Starmer says he will resign
Temperatures to exceed 40C in European heatwave as three die in France
US, Iran conclude high-level talks in Switzerland, mediators say
Philippines probes school shooting that killed 3, wounded 7
Moscow shoots down more than 80 drones; Russian attacks kill six in Ukraine
