Dear Mian, We would like to inform you that you can schedule two different tours as long as the schedules do not conflict with each other, and airport pick up and drop off will be dependent on the tours you choose to take as some of our tours do not offer airport pickup service. We must regretfully inform you that you must pay the tour amount in advance and may not pay cash on arrival. Best Regards, Armin Customer Service Rep

Dear Zack, The hours spent traveling depends on the traffic and distance, for example between some attractions, it may take over 5 hours. The bus driver will stop every one or two hours for you to have a stretch break, and restroom stop. Best Regards, Jeccy Customer Service Rep

Dear Zaida Jorat, Please check what the tour package includes and excludes on the tour page as below, so it will not include any admission fee: Package Includes 1 / 2 Day Unlimited On/Off Ticket (Combine any 24 hour or 48 hour unlimited hop on and hop off ticket with a ticket to the another local attraction at a slightly discounted rate.) Professional tour driver Package Excludes Airfares or related transportation between your home and Washington D.C. airport or chosen pick-up location All personal expenses including hotel room service and meals; however, you have the option to pay for meals that tour guide arrange River cruise: adult $13, child $7 Service Fees for tour guide/driver (min. $6.00/day per person) Best Regards, Jeccy Customer Service Rep

Dear Zaida Jorat, Yes, air conditioner will be included in the lower level. Best Regards, Jeccy Customer Service Rep

Dear Abhay, The tour will endeavour to spend about 30 minutes at each university, but timings will be subject to change. Accommodations as part of the tour will usually be arranged in Woburn which is about 20 minutes from downtown Boston and located closer to Harvard square. Best Regards, Sergio Customer Service Rep