reporter: they re back. the furries have officially landed in the burgh. i love this city, i absolutely love it. it s one of the most welcoming cities i ve ever been to. reporter: and pittsburgh seems to welcome them with open arms, pause to ask the furries for photos. thank you. it s interesting. i like it. they bring a lot of money into the city, so i think it s a good thing. reporter: yeah, $7 million, to be exact, according to organizers. about 5,600 furries will take part in anthrocon at the david l. lawrence convention center this weekend, but what is it? fantasy, sci-fi, stuff like that. reporter: it s a convention that celebrates animals that walk upright fan.com. and we share ideas and some get their suits together, some draw art and just have a good time. reporter: and what about the tails, fur suits? i m not a fur suitor myself. i have friends who do it. it s an expression of their