What do you have to cross to fo from Zimbabwe to Zambia?

Victoria Falls Bridge?

What direction do the beaches of Bombay face?

No idea?

Bombay(Mumbai) faces the Indian ocean, west

I see a big bridge across the Zambezi river:
https://www.google.com/search?q=google+map+Zambia&ie=utf-8&oe=utf-8&client=firefox-b-1-ab

Yes, Victoria Falls
https://www.google.com/search?q=victoria+falls+bridge&ie=utf-8&oe=utf-8&client=firefox-b-1-ab