Captain open the window of the plane and waved hand in Sendai Airport

The captain of the airplane that opens the window and waves his hand.United Airlines Boeing 737-700 N13720 of Star Alliance paint take off from Sendai airport!
From the United Airlines’ Boeing 737-700 N13720, which was taxiing before taking off from Sendai airport, the pilot opened the window and waved his hand.A lot of children were gathering at the Sendai Airport Rinkuu Park where the weather was nice in the morning trying to see the plane close by.People were delighted at the excellent judgment of the Captain who waved their hands at this time.The co-pilot of this aircraft is waving a little too.
The United Airlines Sendai – Guam flight has been canceled due to the decrease in the number of passengers, but I would like you to come back again.

Captain open the window of the plane and waved hand in Sendai Airport