1 - Up of the building, get the stair behind
2 - On the roof, you need to got in the roof of a close boat, and jump to a roof, and an other roof
3 - Into the fish market
4 - You need a boat, got on the platform, and found the stair for the basement



----------------------------------------------------------------------------------------------------

I have more than 30 guides for 17 games , take a look !
https://steamhost.cn/steamcommunity_com/id/paarnahkrin/myworkshopfiles/?section=guides&p=1

----------------------------------------------------------------------------------------------------