Acts 10:9-11

9 On the morrow, as they went on their journey, and drew near to the city, Peter went up on the housetop to pray about the sixth hour:

10 And he became very hungry, and would have eaten: but while they made ready, he fell into a trance,

11 And saw heaven opened, and a certain vessel descending on him, as it had been a great sheet knit at the four corners, and let down to the earth: