Today, Niantic announced that the compensation for the Pokémon GO Safari Zone will begin this weekend! Starting this weekend, an increase of Unown and Kangaskhan (and possibly more) will be spawning in many major cities throughout many major cities throughout the European continent. These spawns will last until the fifteenth of August.

These cities are the following (some without Unibail-Rodamco malls, and some in the UK):
Vienna, Austria 
Prague, Czech Republic 
Copenhagen, Denmark 
Helsinki, Finland 
Dijon, France 
Lille, France 
Lyon, France 
Marseille, France 
Nice, France 
Paris, France 
Rennes, France 
Berlin, Germany 
Bochum, Germany 
Gera, Germany 
Leipzig, Germany 
Mönchengladbach, Germany 
Munich, Germany 
Oberhausen, Germany 
Recklinghausen, Germany 
Milan, Italy 
Naples, Italy 
Rome, Italy 
Oslo, Norway 
Warsaw, Poland 
Lisbon, Portugal 
Bratislava, Slovakia 
Badajoz, Spain 
Barcelona, Spain 
Cádiz, Spain 
Madrid, Spain 
Sevilla, Spain 
San Sebastián, Spain 
Valencia, Spain 
Valladolid, Spain 
Stockholm, Sweden 
Zürich, Switzerland 
Almere, The Netherlands 
Amsterdam, The Netherlands 
Leidschendam, The Netherlands 
Zoetermeer, The Netherlands 
Belfast, United Kingdom 
Birmingham, United Kingdom
Cardiff, United Kingdom 
Glasgow, United Kingdom 
London, United Kingdom 
Manchester, United Kingdom