Add spaces: ThesearegeneralhotelpoliciesforHotelSerena.Astheymayvaryperroomtype;pleasealsochecktheroomconditions.

Answer: These are general hotel policies for Hotel Serena. As they may vary per room type; please also check the room conditions.

Add spaces: Saturday10February,201861814500requestssinceTuesday16December,2003

Answer: Saturday 10 February, 2018 61814500 requests since Tuesday 16 December, 2003

Add spaces: Theirlocationmakestherampartsparticularlyvaluable.

Answer:
Their location makes the ramparts particularly valuable.