nothing
They are sharing good morals, mutual respect, and all common human rights.
Langar meals are important because it is a communal meal that is shared by Sikhs. Eating together is a way of expressing oneness and equality of mankind.
Sikhs have gurudawaras
Sikhs is not real
Since the meetings are of Sikhs, so usually Sikhs are present there.
Yes Sikhs have weddings.
Sikhs join the Khalsa.
Sikhs wear a kara, kirpan, kaccha, kanga, and kesh to show that they are Sikhs and that they are proud.
The Gurudwara is a place of worship for Sikhs.
Sikhs only cremate.
Yes, there are about 500,000 Sikhs in the UK