Gŵyl y Dyn Gwyrdd 2017 // In Pictures: Greenman 2017

Mae Gŵyl y Dyn Gwyrdd yn un o uchafbwyntiau mis Awst erbyn hyn. Heidiodd miloedd i gyrion Crughywel ym Mhowys eto eleni. Dyma i chi rai o'r uchafbwyntiau trwy lens y ffotograffydd Lucy Roberts o Aberhonddu.

Greenman is one of the highlights of the Welsh calendar in August. Here are some of this year's highlights through the lens of photographer Lucy Roberts from Brecon.

Image caption Mae'r bysgiwr yma yn cael effaith drydanol // He's having an electrifying effect
Image caption Michael Kiwanuka yn perfformio // Michael Kiwanuka on the main stage
Image caption Hwyl i bawb o bob oed // Bubbling away
Image caption Tyb-ed beth yw'r sgwrs? // The butcher, the baker, the candlestick maker, but who are the other two?
Image caption Mae'r ŵyl 'ma'n tyfu arna' i // This festival's growing on me
Image caption K.O.G and the Zongo Brigade yn perfformio // K.O.G and the Zongo Brigade entertain the crowd
Image caption Pwy yw'r ddwy dywysoges ifanc yma? // Two young princesses enjoying the vibe
Image caption P'run yw'r ochr orau? // Is this picture for The Mirror?
Image caption Yr holl ffordd o Bontypridd... Syr Tom Jones // He's back on the green, green grass of Greenman!
Image caption Roedd THABO yn un o atyniadau mwyaf yr ŵyl // THABO was one of the main attractions
Image caption Ydy'ch rhieni chi wedi llenwi'r ffurflen iechyd a diogelwch 'na? // Don't fall!
Image caption Pwy ydy'r plentyn mwyaf? // The 'big kid' seems to be having fun too!
Image caption Hurray for the Riff Raff // Alynda Lee Segarra has travelled all the way fron New Orleans with her band Hurray for the Riff Raff
Image caption Fydd o ar y prif lwyfan rhyw ddydd? // This youngster hoping to drum up some musical business
Image caption Wedi cael diwrnod i'w gofio // An enjoyable day all round
Image caption Welwn ni chi flwyddyn nesa'! // See you next year!