Sahih Bukhari

Narrated Abu Huraira:that Allah's Messenger (ﷺ) said, ""Whoever attends the funeral procession till he offers the funeral prayer for it, will get a reward equal to one Qirat, and whoever accompanies it till burial, will get a reward equal to two Qirats."" It was asked, ""What are two Qirats?"" He replied, ""Like two huge mountains