How can I open the Facebook web site as it is blocked in my country?
Use a free website proxy like http://www.MaverickEyes.com to access any blocked website in your country.
This is a US based proxy so it wont block anything for you.
You could try a proxy server. Here are some links that might help you:
How can I bypass a web filter to connect to Facebook and view MakeUseOf?
Access Blocked Websites using Proxy Servers
3 Facebook Proxies & Hacks to Check Facebook From Anywhere
4 Cool Ways to Login to Facebook Without Going to the Site
Hope one of the proposed solutions works. Please let us know! Thank you. :)