Thousands of jubilant Syrians rallied in Berlin and cities across Europe on Sunday, waving flags and barely able to contain their joy at the downfall of president Bashar al-Assad.“Finally, we are free!” exclaimed Bassam al-Hamada, 39, among 5,000 people at an exuberant rally in the capital of Germany, where the one million-plus Syrians makes it the largest diaspora in Europe.For all the latest headlines, follow our Google News channel online or via the app.But Syrians in Athens, Belgrade, Istanbul, London, Paris, Stockholm and Vienna also waved flags in the green, red, black and white colors of the Syrian opposition and made clear their hostility to al-Assad.Berlin police said more than 5,000 Syrians gathered in a square in the Kreuzberg district.Many waved flags and banners that read “Free Syria” and “Freedom,” flashed “V” for victory signs and chanted “Allahu Akbar!” (God is Greatest!).Despite a cold drizzle, many came with their families. Children’s faces were painted in the Syrian