Add spaces: IndividualswithsurnameROSENWEIN

Answer: Individuals with surname ROSENWEIN

Add spaces: TheCristalloalsooffersafreehottubinthegarden,completewithfreewatercooler.

Answer: The Cristallo also offers a free hot tub in the garden, complete with free water cooler.

Add spaces: BSPmaybearegionalprojectinvolvingtheninecountriesontheBalticSea,butUNESCOhasrecognizedtheprojectasavaluable"FlagshipProject".

Answer:
BSP may be a regional project involving the nine countries on the Baltic Sea, but UNESCO has recognized the project as a valuable "Flagship Project".