WSP Engineer Assistant interview questions

The interview was held in Kowloon Bay, Hong Kong, which is the office of HK division. It takes around 4 hrs for the whole section. The content including a group discussion and also 1-minute self-presentation on the specific topic. Everyone has to answer the following-up question.

Applied online, asked to come in for an interview with a director and potential manager. Really good conversation and they were both very friendly. Chat towards the end came to salary and I was able to negotiate my target sum- about £8K more than my last role