Can anyone suggest the tours in Tianjin?

I and my 3 other family members will arrive at Tianjin airport on 26th March 2011, Saturday around 1435 hours and we will leave from Tianjin airport on 3rd April 2011, Sunday around 1550 hours.

Can you suggest a few tour packages (In English Chinese day by day tour itineraries) that travels to as many places as possible for me to choose?

I prefer to visit places like palaces, gardens, temples, museums, etc which is rich in culture and history.

I also like to visit gardens, lakes, botanical parks, etc which have beautiful natural sceneries.

I also like to see cultural shows and any interesting performances,

However, please avoid tours to places that are dangerous like mountaing hiking or tiring activities as my parents is around 65 years old already.

Thank you.