CLEAN : Migrants board ferry from Lesbos to Athens

The video discusses the arrival of refugees on an island city, highlighting the use of a special ferry to transport 2176 refugees. This ferry is an additional service beyond the regular daily ships, which typically transport 200-400 refugees. The special ferry was arranged to provide more freedom and accommodate the large number of refugees arriving.

Why is there a need for an extra ferry for the refugees?

Approximately how many refugees do the regular ships pick up daily?