One of the world’s most popular tourist attractions gets thousands of visitors daily. However, when your travel4seniors.com editor was there recently, the shrine was barely visible in thick smog.

Other cities in India also suffer the same auto-emission pollution, including Delhi, Mumbai and Calcutta. If heavy smog is a particular danger to your senior health, and India is on your travel plans, be prepared. Take medicated face masks for long periods of exposure, and do touring in air-conditioned cars and buses.

Q: Our love for the beautiful City by the Bay goes way, way back to WW2 Navy days. Sailed under the Golden Gate, partied at the Top of the Mark, dined in Chinatown and rode the cable cars. We’ve been back many times since, but uncertain about this year. Hotel prices, always high, are now out of sight. Is it worth it anymore? PMO’L, Chicago IL

A: For starters, instead of hotels, check AirBnB ads online. They’re much lower priced and, if traveling with a group, you get an attractive house or apartment with several bedrooms for less per night than you’d pay for one hotel room.

When your faithful friend is trained to help you, airlines require that the dog be licensed. Canine companions must always show proper ID to ride in the passenger section. There are many online information sources to help you qualify for the official certification process.

Planning our annual week at the beach. There’s a favorite hotel where we’ve spent 10 years of great vacations. This year’s room rate is up nearly 30% over last year, and more than twice as much as we paid just a couple of years ago. We’re considering booking an Airbnb house. What’s your opinion? JLK, Scranton PA

A: You may have read that Airbnbs are much cheaper, and you get an entire house for less than you’ll pay for a hotel room. However, you don’t get help with your bags, pool, spa, room cleaning and other usual hotel amenities. Before you decide, check online and with friends and family members who’ve experienced Airbnbs.