Plan a 5-day itinerary for Kolkata. 
Day 1: Victoria Memorial, Howrah Bridge. Day 2: St. Paul's Cathedral, Belur Math. Day 3: Dakshineswar Temple, New Market. Day 4: Millennium Park, Eco Park. Day 5: Alipore Zoo, Birla Mandir.
Create a 5-day travel plan for Kolkata.