Organizers say 370,000 people have signed up to take part . Catalan parliament pushes self-determination . The chain is expected to stretch for 400 kilometers ( about 250 miles ) and will be open from 9 a.m. until 6 p.m. But the Spanish government says that Catalonia already has sufficient home-rule powers .
Organizers say 370,000 people have signed up to take part . The chain is expected to stretch for 400 kilometers ( about 250 miles ) and will be open from 9 a.m. until 6 p.m. But the Spanish government says that Catalonia already has sufficient home-rule powers .