Thousands of mourners gathered in Moscow on Friday to say goodbye to the late opposition figure Alexei Navalny, the Kremlin’s most prominent critic. “I glanced back and found myself unable to see where the crowd ended — it seemed to stretch on forever,” said Vadim, who attended the funeral ceremony. Despite the risk of detention, official warnings and a heavy police presence, thousands of Navalny’s supporters gathered at the Russian Orthodox church and nearby cemetery in southeastern Moscow where his funeral was held to honor his legacy. “I came today to see for the last time a man like no oth…