Thousands more refugees arrived on Tuesday (Sept. 8) from Hungary into Austria, where the weather is getting colder.

Austrian police say at least 7,000 people have filled the Westbahnhof train station in the capital Vienna in the last 24 hours.

Many travel on to Germany by train, where residents and volunteers have been greeting them and offering them food, water and shelter.

But some are now starting to ask how long the open arms policy can last, as the influx shows no sign of abating and temperatures begin to drop.

“The topic does give us a headache. Right now, we are glad to see great willingness to help among the German people,” German Foreign Minister Frank-Walter Steinmeier said on Monday (Sept. 7). “ But we’re also concerned about how long this is going to last. Especially if the numbers are as they are now.”

The German government has urged other EU countries to also open their doors to share the burden of the arrivals. Germany expects up to 800,000 asylum seekers this