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The week-long University of Otago festivities started at the weekend with the soldout Orientaster show and will continue until Sunday.
Orientation staples will return, including the toga party on Wednesday night, Sports Day tomorrow at Opoho Park and Clubs Day at the Museum Reserve on Thursday.
Belgian DJ Netsky and English drum and bass band Rudimental will headline a Forsyth Barr Stadium show on Thursday and Australian hip-hop duo Hermitude will be at the centre of another gig there on Saturday.
Otago University Students' Association events manager Jason Schroeder said there were additional events this year such as the outdoor movie on the museum reserve lawn tonight and some additional concerts.
In past years, the executive had tried to bring some of Orientation back to the campus, which resulted in a student village in the union courtyard which would run all week.
It will hold support services as well as food and games.
"It's always a very fun week and it's good to be able to welcome the students back."
Student safety measures included the Are You OK team which could provide rides home for people who needed them, help people who became intoxicated and give other student support.
Christian group Red Frogs provided similar services including giving water and food to drunk people.
University of Otago vice-chancellor Prof Harlene Hayne encouraged students to care for each other.
"Look after yourself and look after your friends. Be a good bystander. Call out bad behaviour when you see it. Call out people who put themselves or others or our environment at risk. Treat each other and our community with respect."