Frankfurt also reemerged as Germany's transportation hub and Frankfurt Airport became Europe's second-busiest airport behind London Heathrow Airport in 1961.
fRaNkfurt also reeMergEd aS geRMaNy's tRanspoRTaTion HuB aND FRANkfURT aiRPOrt becaME euRopE'S secOnd-buSiest aiRport BehInD londoN HeathRow airport In 1961.