The Ambassador and his family arrive at the Kim Lien Pagoda amidst incessant rain.

Ambassador Osius holding his young son walking through the gate at Kim Lien Pagoda, shortly after arriving.

Thich Duc Thien, secretary general of the Executive Council of the Vietnam Buddhist Sangha, welcomes the Ambassador, his partner and two children in the courtyard after the rain breaks.

Before the ceremony, the most Venerable Thich Duc Thien explains the meaning of the proceedings to the Ambassador and family.

The US Embassy offers flowers, fruit cake to Buddha at the ceremony.

At the start of the ceremony, worshippers pray for the US Ambassador and family, wishing peace for all Americans and the best for future Vietnam-US relations.

Ambassador Osius kneeling as the ceremony opens.

During the ceremony, Ambassador Osius holds his young son. The Ambassador says: "Helping children understand Vietnamese traditional culture is extremely important."

At the end of the ceremony following traditional practice, they attach red roses to their shirts if their mother is still living or white, if deceased.

The temple presents a souvenir to Ambassador Osius and family.

The Venerable Thich Dam Thanh gives Ambassador Osius and family a special gift of traditional moon cakes.

Ambassador Osius says the day is special and very similar to ‘Mother’s Day,’ which is observed in the US.

Ambassador Osius and family take a souvenir parting photograph at the Kim Lien Pagoda.