Lebanon — The ancient Christian quarter of the southern city of Tyre — known locally as Sour — is a vibrant tourist attraction in more normal times. It has a historic lighthouse and winding narrow streets that lead to its coffee shops, restaurants and markets. It is also a stopping point for pilgrims — due to its significance in the Bible and two ancient cathedrals. Unlike the rest of the city, which has been partially obliterated by Israeli bombs, the Christian quarter remains untouched. Locals here have recently put the values of their faith into literal practice, by sheltering thousands of…